{"cik":1535379,"entityName":"CLOUDERA, INC.","facts":{"dei":{"EntityCommonStockSharesOutstanding":{"label":"Entity Common Stock, Shares Outstanding","description":"Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.","units":{"shares":[{"end":"2017-05-31","val":131142735,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q2I"},{"end":"2017-08-31","val":131481143,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q3I"},{"end":"2017-11-30","val":141233240,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q4I"},{"end":"2018-03-31","val":147518480,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2018Q1I"},{"end":"2018-05-31","val":148199853,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q2I"},{"end":"2018-08-31","val":151113590,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q3I"},{"end":"2018-11-30","val":153516784,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q4I"},{"end":"2019-02-28","val":268937661,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2019Q1I"},{"end":"2019-05-31","val":274207493,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q2I"},{"end":"2019-08-30","val":279648245,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q3I"},{"end":"2019-11-27","val":287151499,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q4I"},{"end":"2020-02-28","val":295190516,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2020Q1I"},{"end":"2020-05-29","val":295391403,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q2I"},{"end":"2020-08-31","val":309247634,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-09-30","val":312565428,"accn":"0001628280-20-014803","fy":2020,"fp":"FY","form":"10-K/A","filed":"2020-10-26"},{"end":"2020-09-30","val":312565428,"accn":"0001628280-20-015934","fy":2020,"fp":"FY","form":"10-K/A","filed":"2020-11-06","frame":"CY2020Q3I"},{"end":"2020-11-30","val":312754747,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q4I"},{"end":"2021-02-28","val":291399179,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2021Q1I"},{"end":"2021-05-31","val":292214572,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q2I"},{"end":"2021-08-31","val":296216908,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q3I"}]}},"EntityPublicFloat":{"label":"Entity Public Float","description":"The aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of the registrant's most recently completed second fiscal quarter.","units":{"USD":[{"end":"2017-07-31","val":1170900000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017Q2I"},{"end":"2018-07-31","val":1400000000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2018Q2I"},{"end":"2019-07-31","val":1400000000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2019-07-31","val":1400000000,"accn":"0001628280-20-014803","fy":2020,"fp":"FY","form":"10-K/A","filed":"2020-10-26"},{"end":"2019-07-31","val":1400000000,"accn":"0001628280-20-015934","fy":2020,"fp":"FY","form":"10-K/A","filed":"2020-11-06","frame":"CY2019Q2I"},{"end":"2020-07-31","val":3000000000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q2I"}]}}},"us-gaap":{"AccountsPayableCurrent":{"label":"Accounts Payable, Current","description":"Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).","units":{"USD":[{"end":"2017-01-31","val":3550000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":3550000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":3550000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":3550000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":2421000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":6326000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":1761000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":2722000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":2722000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-01-31","val":2722000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":2722000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2018-01-31","val":2722000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2018-04-30","val":2161000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":2543000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":2085000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":8185000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":8185000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":8185000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":8185000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":8185000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":5322000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":4283000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":12204000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":3858000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":3858000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":3858000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":3858000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":3858000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":3431000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":4337000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":2556000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":2713000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":2713000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":2713000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":1477000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":1969000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"AccountsReceivableNetCurrent":{"label":"Accounts Receivable, after Allowance for Credit Loss, Current","description":"Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.","units":{"USD":[{"end":"2018-01-31","val":130318000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2019-01-31","val":242980000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":242980000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":242980000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":242980000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":242980000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":146009000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":160298000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":162454000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":249971000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":249971000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":249971000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":249971000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":249971000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":165236000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":149326000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":172424000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":316098000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":316098000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":316098000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":131408000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":177823000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"AccountsReceivableRelatedParties":{"label":"Accounts Receivable, Related Parties","description":"For an unclassified balance sheet, amount of receivables arising from transactions with related parties.","units":{"USD":[{"end":"2020-01-31","val":1200000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":1200000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":1200000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2019Q4I"},{"end":"2020-04-30","val":1600000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":1600000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":2800000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":2200000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":2200000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":800000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":800000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"AccretionAmortizationOfDiscountsAndPremiumsInvestments":{"label":"Accretion (Amortization) of Discounts and Premiums, Investments","description":"The sum of the periodic adjustments of the differences between securities' face values and purchase prices that are charged against earnings. This is called accretion if the security was purchased at a discount and amortization if it was purchased at premium. As a noncash item, this element is an adjustment to net income when calculating cash provided by or used in operations using the indirect method.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":-3605000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-04-30","val":-782000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":-1966000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-02-01","end":"2016-10-31","val":-2420000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-02-01","end":"2017-01-31","val":-2867000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":-2867000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":-542000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2017-02-01","end":"2017-04-30","val":-542000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":-414000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-07-31","val":-414000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-02-01","end":"2017-10-31","val":-657000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":-657000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-02-01","end":"2018-01-31","val":-512000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":-512000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":-512000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":-15000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"start":"2018-02-01","end":"2018-04-30","val":-15000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":195000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-07-31","val":195000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-02-01","end":"2018-10-31","val":661000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2018-10-31","val":661000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-02-01","end":"2019-01-31","val":1406000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":1406000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":925000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":1660000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-10-31","val":2362000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2020-01-31","val":2294000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2019"}]}},"AccruedBonusesCurrent":{"label":"Accrued Bonuses, Current","description":"Carrying value as of the balance sheet date of obligations incurred and payable for incentive compensation awarded to employees and directors or earned by them based on the terms of one or more relevant arrangements. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).","units":{"USD":[{"end":"2017-01-31","val":15338000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":15338000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":15338000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":15338000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":5879000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":10369000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":14663000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":17875000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":17875000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-01-31","val":17875000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":17875000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2018-01-31","val":17875000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2018-04-30","val":6532000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":10888000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":15376000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":14832000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":14832000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":14832000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":14832000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":14832000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":10471000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":12409000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":17484000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":13409000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":13409000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":13409000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":13409000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":13409000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":9796000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":8903000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":12271000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":14956000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":14956000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":14956000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":13078000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":16723000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"AccruedLiabilitiesCurrent":{"label":"Accrued Liabilities, Current","description":"Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).","units":{"USD":[{"end":"2017-01-31","val":9918000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":9918000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":9918000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":9918000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":12788000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":15670000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":16931000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":13454000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":13454000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-01-31","val":13454000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":13454000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2018-01-31","val":12971000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2018-04-30","val":13780000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":13871000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":13376000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":24548000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":24548000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":24548000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":24548000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":24548000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":22267000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":30299000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":25581000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":22297000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":22297000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":22297000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":22297000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":22297000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":21166000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":19583000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":22902000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":30196000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":30196000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":30196000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":32431000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":30331000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"AccruedPayrollTaxesCurrent":{"label":"Accrued Payroll Taxes, Current","description":"Carrying value as of the balance sheet date of obligations incurred and payable for statutory payroll taxes incurred through that date and withheld from employees pertaining to services received from them, including entity's matching share of the employees FICA taxes and contributions to the state and federal unemployment insurance programs. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).","units":{"USD":[{"end":"2017-01-31","val":3852000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":3852000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":3852000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":3852000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":6155000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":6894000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":5353000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":6241000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":6241000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-01-31","val":6241000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":6241000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2018-01-31","val":4670000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2018-04-30","val":5693000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":5099000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":4477000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":11797000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":11797000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":11797000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":11797000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":11797000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":7233000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":9899000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":13053000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":15205000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":15205000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":15205000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":15205000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":15205000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":10620000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":17022000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":11930000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":10834000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":10834000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":10834000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":10825000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":13182000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"AccruedProfessionalFeesCurrent":{"label":"Accrued Professional Fees, Current","description":"Carrying value as of the balance sheet date of obligations incurred through that date and payable for professional fees, such as for legal and accounting services received. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).","units":{"USD":[{"end":"2017-01-31","val":2147000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":2147000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":2147000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":2147000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":2422000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":2196000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":4250000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":2463000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":2463000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-01-31","val":2463000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":2463000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2018-01-31","val":2463000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2018-04-30","val":2175000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":1956000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":3061000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":6500000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":6500000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":6500000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":6500000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":6500000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":7297000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":8073000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":8816000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":6182000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":6182000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":6182000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":6182000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":6182000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":4864000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":3590000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":4323000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":3790000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":3790000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":3790000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":6782000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":6131000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"AccruedSalariesCurrent":{"label":"Accrued Salaries, Current","description":"Carrying value as of the balance sheet date of the obligations incurred through that date and payable for employees' services provided. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).","units":{"USD":[{"end":"2017-01-31","val":2330000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":2330000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":2330000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":14186000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":2746000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":3234000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":3497000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":15039000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":15039000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-01-31","val":15039000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":15039000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2018-01-31","val":15039000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2018-04-30","val":12071000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":13180000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":11513000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":20563000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":20563000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":20563000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":20563000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":20563000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":16783000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":21918000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":17849000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":27067000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":27067000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":27067000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":27067000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":27067000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":15021000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":20478000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":19671000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":22538000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":22538000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":22538000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":18099000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":22621000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"AccruedSalesCommissionCurrent":{"label":"Accrued Sales Commission, Current","description":"Carrying value as of the balance sheet date of obligations incurred through that date and payable for sales commissions. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).","units":{"USD":[{"end":"2017-01-31","val":11856000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":11856000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":11856000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2016Q4I"},{"end":"2017-04-30","val":5929000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":7896000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":8827000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"}]}},"AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment":{"label":"Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment","description":"Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.","units":{"USD":[{"end":"2017-01-31","val":17695000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":17695000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":17695000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":17695000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":20392000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":22804000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":23553000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":24232000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":24232000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-01-31","val":24232000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":24232000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2018-01-31","val":24232000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2018-04-30","val":24482000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":26069000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":28052000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":26863000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":26863000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":26863000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":26863000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":26863000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":29867000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":32580000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":35459000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":37409000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":37409000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":37409000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":37409000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":37409000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":40091000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":42849000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":44382000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":44980000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":44980000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":44980000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":46202000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":42680000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"AccumulatedOtherComprehensiveIncomeLossNetOfTax":{"label":"Accumulated Other Comprehensive Income (Loss), Net of Tax","description":"Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.","units":{"USD":[{"end":"2017-01-31","val":-556000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":-556000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":-556000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":-556000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":-513000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":-521000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":-614000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":-832000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":-832000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-01-31","val":-832000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":-832000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2018-01-31","val":-832000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2018-04-30","val":-1075000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":-1021000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":-1073000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":-42000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":-42000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":-42000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":-42000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":-42000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":300000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":130000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":978000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":273000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":273000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":273000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":273000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":273000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":289000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":763000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":-195000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":580000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":580000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":580000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":153000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":-861000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"AdditionalPaidInCapital":{"label":"Additional Paid in Capital","description":"Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders. Includes adjustments to additional paid in capital. Some examples of such adjustments include recording the issuance of debt with a beneficial conversion feature and certain tax consequences of equity instruments awarded to employees. Use this element for the aggregate amount of additional paid-in capital associated with common and preferred stock. For additional paid-in capital associated with only common stock, use the element additional paid in capital, common stock. For additional paid-in capital associated with only preferred stock, use the element additional paid in capital, preferred stock.","units":{"USD":[{"end":"2017-01-31","val":192795000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":192795000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":192795000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":192795000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":385359000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":1318447000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":1348578000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":1385592000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":1385592000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-01-31","val":1385592000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":1385592000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2018-01-31","val":1385592000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2018-04-30","val":1413431000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":1438493000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":1460370000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":2711340000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":2711340000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":2711340000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":2711340000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":2711340000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":2755408000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":2814767000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":2869406000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":2923905000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":2923905000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":2923905000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":2923905000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":2923905000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":2937795000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":3008394000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":3044290000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":2776690000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":2776690000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":2776690000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":2800559000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":2835956000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation":{"label":"Share-based Payment Arrangement, Decrease for Tax Withholding Obligation","description":"Amount of decrease to equity for grantee's tax withholding obligation for award under share-based payment arrangement.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":1202000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2017-02-01","end":"2018-01-31","val":59781000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":59781000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":59781000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":906000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":4388000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-05-01","end":"2018-07-31","val":3482000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2018Q2"},{"start":"2018-02-01","end":"2018-10-31","val":8482000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":4094000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2018Q3"},{"start":"2018-02-01","end":"2019-01-31","val":16218000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":16218000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":16218000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":7805000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":7805000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":15654000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":15654000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":7849000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":7849000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2019Q2"},{"start":"2019-02-01","end":"2019-10-31","val":21085000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":21085000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-08-01","end":"2019-10-31","val":5431000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-08-01","end":"2019-10-31","val":5431000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2019Q3"},{"start":"2019-02-01","end":"2020-01-31","val":32621000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":32621000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":14017000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":14017000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":23283000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":23283000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-05-01","end":"2020-07-31","val":9266000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-05-01","end":"2020-07-31","val":9266000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q2"},{"start":"2020-02-01","end":"2020-10-31","val":29635000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-08-01","end":"2020-10-31","val":6352000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3"},{"start":"2020-02-01","end":"2021-01-31","val":47248000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":18056000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":40670000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2021-05-01","end":"2021-07-31","val":22613000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2"}]}},"AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue":{"label":"APIC, Share-based Payment Arrangement, Increase for Cost Recognition","description":"Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":63590000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2017-01-31","val":21714000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":21714000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2018-01-31","val":290006000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":290006000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":290006000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":25366000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":45841000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-05-01","end":"2018-07-31","val":20475000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2018Q2"},{"start":"2018-02-01","end":"2018-10-31","val":67731000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":21890000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2018Q3"},{"start":"2018-02-01","end":"2019-01-31","val":117365000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":117365000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":117365000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":48871000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":48871000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":110604000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":110604000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":61733000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":61733000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2019Q2"},{"start":"2019-02-01","end":"2019-10-31","val":164818000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":164818000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-08-01","end":"2019-10-31","val":54214000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-08-01","end":"2019-10-31","val":54214000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2019Q3"},{"start":"2019-02-01","end":"2020-01-31","val":220354000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":220354000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":53438000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":53438000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":100055000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":100055000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-05-01","end":"2020-07-31","val":46617000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-05-01","end":"2020-07-31","val":46617000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q2"},{"start":"2020-02-01","end":"2020-10-31","val":141911000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-08-01","end":"2020-10-31","val":41856000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3"},{"start":"2020-02-01","end":"2021-01-31","val":188935000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":58624000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":117173000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2021-05-01","end":"2021-07-31","val":58549000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2"}]}},"AdvertisingExpense":{"label":"Advertising Expense","description":"Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":700000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2017-01-31","val":800000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016"},{"start":"2017-02-01","end":"2018-01-31","val":600000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":6400000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2019-01-31","val":6900000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":6900000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2020-01-31","val":15400000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":15400000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2021-01-31","val":11500000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"}]}},"AllowanceForDoubtfulAccountsReceivable":{"label":"Accounts Receivable, Allowance for Credit Loss","description":"Amount of allowance for credit loss on accounts receivable.","units":{"USD":[{"end":"2016-01-31","val":100000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015Q4I"},{"end":"2017-01-31","val":100000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2018-01-31","val":300000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":300000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2019-01-31","val":200000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":200000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2020-01-31","val":800000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":800000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2021-01-31","val":2700000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"}]}},"AmortizationOfDeferredCharges":{"label":"Amortization of Deferred Charges","description":"The amount of amortization of deferred charges applied against earnings during the period.","units":{"USD":[{"start":"2016-02-01","end":"2017-01-31","val":17177000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2018-01-31","val":23284000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":23284000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":6563000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":13803000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-02-01","end":"2018-10-31","val":21794000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-02-01","end":"2019-01-31","val":30634000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":30634000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":30634000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":9652000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":9652000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":20973000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":20973000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-02-01","end":"2019-10-31","val":33579000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":33579000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-02-01","end":"2020-01-31","val":47552000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":47552000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":16625000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":16625000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":33410000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":33410000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-02-01","end":"2020-10-31","val":50750000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-02-01","end":"2021-01-31","val":66734000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":16620000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":32935000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"}]}},"AmortizationOfIntangibleAssets":{"label":"Amortization of Intangible Assets","description":"The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":3500000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-04-30","val":900000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":1800000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-05-01","end":"2016-07-31","val":900000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2016Q2"},{"start":"2016-02-01","end":"2016-10-31","val":2800000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-08-01","end":"2016-10-31","val":1000000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2016Q3"},{"start":"2016-02-01","end":"2017-01-31","val":3700000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":3700000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":900000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2017-02-01","end":"2017-04-30","val":900000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":1900000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-07-31","val":1900000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-05-01","end":"2017-07-31","val":900000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-05-01","end":"2017-07-31","val":900000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2017Q2"},{"start":"2017-02-01","end":"2017-10-31","val":2900000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":2900000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-08-01","end":"2017-10-31","val":1000000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-08-01","end":"2017-10-31","val":1000000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2017Q3"},{"start":"2017-02-01","end":"2018-01-31","val":3700000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":3700000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":3700000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":700000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"start":"2018-02-01","end":"2018-04-30","val":700000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":1300000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-07-31","val":1300000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-05-01","end":"2018-07-31","val":600000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-05-01","end":"2018-07-31","val":600000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2018Q2"},{"start":"2018-02-01","end":"2018-10-31","val":2000000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2018-10-31","val":2000000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":700000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":700000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2018Q3"},{"start":"2018-02-01","end":"2019-01-31","val":9100000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":9100000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":9100000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":20200000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":20200000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":40100000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":40100000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":19900000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":19900000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2019Q2"},{"start":"2019-02-01","end":"2019-10-31","val":60100000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":60100000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-08-01","end":"2019-10-31","val":20000000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-08-01","end":"2019-10-31","val":20000000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2019Q3"},{"start":"2019-02-01","end":"2020-01-31","val":80000000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":80000000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":19700000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":19700000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":39400000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":39400000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-05-01","end":"2020-07-31","val":19700000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-05-01","end":"2020-07-31","val":19700000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q2"},{"start":"2020-02-01","end":"2020-10-31","val":59100000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-08-01","end":"2020-10-31","val":19700000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3"},{"start":"2020-02-01","end":"2021-01-31","val":78300000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":17700000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":36400000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2021-05-01","end":"2021-07-31","val":18800000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2"}]}},"AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount":{"label":"Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount","description":"Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.","units":{"shares":[{"end":"2016-01-31","val":110970000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015Q4I"},{"start":"2016-02-01","end":"2016-04-30","val":112777030,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":112743000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-02-01","end":"2016-10-31","val":113422000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-02-01","end":"2017-01-31","val":119521000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"end":"2017-01-31","val":119521000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"start":"2017-02-01","end":"2017-04-30","val":116022484,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2017-02-01","end":"2017-04-30","val":116022000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":41387000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-07-31","val":41387000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-02-01","end":"2017-10-31","val":39331000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":39331000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-02-01","end":"2018-01-31","val":41172000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":41172000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"end":"2018-01-31","val":41172000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017Q4I"},{"start":"2018-02-01","end":"2018-04-30","val":39343000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"start":"2018-02-01","end":"2018-04-30","val":39343000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":36225000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-07-31","val":36225000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-02-01","end":"2018-10-31","val":33786000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2018-10-31","val":33786000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-02-01","end":"2019-01-31","val":54900000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":54900000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":54900000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":52170000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":52170000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":56865000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":56865000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-02-01","end":"2019-10-31","val":50452000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":50452000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-02-01","end":"2020-01-31","val":53083000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":53083000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":50629000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":50629000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":36601000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":36601000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-02-01","end":"2020-10-31","val":32971000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-02-01","end":"2021-01-31","val":38934000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":39136000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":36386000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"}]}},"AssetImpairmentCharges":{"label":"Asset Impairment Charges","description":"Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.","units":{"USD":[{"start":"2018-02-01","end":"2019-01-31","val":0,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2020-01-31","val":0,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":0,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":0,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-05-01","end":"2020-07-31","val":0,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q2"},{"start":"2020-02-01","end":"2021-01-31","val":35828000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2020-11-01","end":"2021-01-31","val":35800000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4"},{"start":"2021-02-01","end":"2021-04-30","val":0,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":0,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2021-05-01","end":"2021-07-31","val":0,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2"}]}},"Assets":{"label":"Assets","description":"Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.","units":{"USD":[{"end":"2017-01-31","val":442544000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":442544000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":442544000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":442544000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":397126000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":649817000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":634511000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":689158000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":689158000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-01-31","val":689158000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":689158000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2018-01-31","val":751811000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2018-04-30","val":643125000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":642998000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":636515000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":2196643000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":2196643000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":2196643000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":2196643000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":2196643000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":2310234000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":2256375000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":2232915000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":2299790000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":2299790000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":2299790000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":2299790000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":2299790000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":2199978000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":2203526000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":2210165000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":2508601000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":2508601000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":2508601000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":2420611000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":2390747000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"AssetsCurrent":{"label":"Assets, Current","description":"Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer). Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.","units":{"USD":[{"end":"2017-01-31","val":349702000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":349702000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":349702000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":349702000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":288348000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":496994000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":479470000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":533138000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":533138000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-01-31","val":533138000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":533138000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2018-01-31","val":558088000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2018-04-30","val":518213000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":495281000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":507447000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":798862000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":798862000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":798862000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":798862000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":798862000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":660007000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":656593000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":645946000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":707901000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":707901000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":707901000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":707901000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":707901000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":658409000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":655271000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":640673000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":997921000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":997921000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":997921000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":731292000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":694141000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"AssetsNoncurrent":{"label":"Assets, Noncurrent","description":"Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold or consumed after one year or beyond the normal operating cycle, if longer.","units":{"USD":[{"end":"2017-04-30","val":108778000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"}]}},"AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax":{"label":"Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax","description":"Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).","units":{"USD":[{"end":"2018-01-31","val":6000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-01-31","val":6000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":6000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2018-01-31","val":6000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2018-04-30","val":17000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":34000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":18000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2020-01-31","val":1250000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":1250000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":1250000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":1250000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":2186000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":2667000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":2000000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":1612000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":1612000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":1612000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":1287000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":748000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax":{"label":"Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax","description":"Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).","units":{"USD":[{"end":"2018-01-31","val":761000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-01-31","val":761000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":761000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2018-01-31","val":761000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2018-04-30","val":920000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":630000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":565000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":184000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":184000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2020-01-31","val":0,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":0,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":0,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":0,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":0,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":84000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":6000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":56000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":87000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":87000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":87000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":423000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":237000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax":{"label":"Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax","description":"Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.","units":{"USD":[{"end":"2017-01-31","val":25000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":25000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":25000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":25000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":34000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":69000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":27000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":6000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017Q4I"}]}},"AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax":{"label":"Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax","description":"Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.","units":{"USD":[{"end":"2017-01-31","val":156000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":156000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":156000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":156000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":130000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":139000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":248000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":761000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017Q4I"}]}},"AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss":{"label":"Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss","description":"Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for twelve months or longer.","units":{"USD":[{"end":"2017-01-31","val":0,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":0,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":0,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":0,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":0,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":21000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":31000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":19000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":19000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q4I"},{"end":"2018-04-30","val":39000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"}]}},"AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss":{"label":"Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss","description":"Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale in a continuous loss position.","units":{"USD":[{"end":"2017-07-31","val":139000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":248000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":761000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":761000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q4I"},{"end":"2018-04-30","val":920000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"}]}},"AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue":{"label":"Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value","description":"This item represents the aggregate fair value of investments in debt and equity securities in an unrealized loss position which are categorized neither as held-to-maturity nor trading securities.","units":{"USD":[{"end":"2017-07-31","val":227129000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":269191000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":305213000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":305213000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q4I"},{"end":"2018-04-30","val":270706000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"}]}},"AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss":{"label":"Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss","description":"Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for less than twelve months.","units":{"USD":[{"end":"2017-07-31","val":118000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":217000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":742000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":742000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q4I"},{"end":"2018-04-30","val":881000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"}]}},"AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue":{"label":"Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value","description":"This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for less than twelve months.","units":{"USD":[{"end":"2017-07-31","val":215543000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":252050000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":296908000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":296908000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q4I"},{"end":"2018-04-30","val":261156000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"}]}},"AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue":{"label":"Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value","description":"This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for twelve months or longer.","units":{"USD":[{"end":"2017-07-31","val":11586000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":17141000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":8305000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":8305000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q4I"},{"end":"2018-04-30","val":9550000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"}]}},"AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost":{"label":"Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year One Through Five","description":"Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in second through fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2019-01-31","val":46209000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2020-01-31","val":135318000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":135318000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":135318000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":135318000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":135318000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":99890000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":132311000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":168265000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":172403000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":172403000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":172403000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":380696000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":355389000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue":{"label":"Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five","description":"Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in second through fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2019-01-31","val":46335000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2020-01-31","val":136092000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":136092000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":136092000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":136092000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":136092000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":100954000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":133890000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":169324000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":173281000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":173281000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":173281000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":381326000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":355684000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate":{"label":"Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Fair Value","description":"Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date.","units":{"USD":[{"end":"2019-01-31","val":426670000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2020-01-31","val":410150000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":410150000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":410150000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":410150000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":410150000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":443391000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":470284000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":495653000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":661129000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":661129000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":661129000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":810743000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":701910000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis":{"label":"Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Amortized Cost","description":"Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date.","units":{"USD":[{"end":"2019-01-31","val":426670000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2020-01-31","val":408900000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":408900000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":408900000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":408900000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":408900000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":441289000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":467623000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":493709000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":659604000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":659604000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":659604000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":809879000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":701399000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost":{"label":"Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One","description":"Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2019-01-31","val":380461000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2020-01-31","val":273582000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":273582000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":273582000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":273582000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":273582000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":341399000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":335312000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":325444000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":487201000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":487201000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":487201000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":429183000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":346010000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue":{"label":"Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One","description":"Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2019-01-31","val":380335000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2020-01-31","val":274058000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":274058000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":274058000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":274058000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":274058000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":342437000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":336394000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":326329000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":487848000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":487848000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":487848000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":429417000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":346226000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued":{"label":"Business Acquisition, Equity Interest Issued or Issuable, Number of Shares","description":"Number of shares of equity interests issued or issuable to acquire entity.","units":{"shares":[{"end":"2019-01-03","val":111304700,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-03","val":111304700,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"}]}},"BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable":{"label":"Business Combination, Consideration Transferred, Equity Interests Issued and Issuable","description":"Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":9542000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-10-31","val":0,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-02-01","end":"2017-01-31","val":0,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":0,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2017-10-31","val":2081000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":2081000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-02-01","end":"2018-01-31","val":2081000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":2081000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":2081000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-10-31","val":0,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2019-01-31","val":1154230000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":1154230000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":1154230000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2020-01-31","val":0,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":0,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2021-01-31","val":0,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"}]}},"CapitalExpendituresIncurredButNotYetPaid":{"label":"Capital Expenditures Incurred but Not yet Paid","description":"Future cash outflow to pay for purchases of fixed assets that have occurred.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":793000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-04-30","val":419000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":570000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-02-01","end":"2016-10-31","val":36000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-02-01","end":"2017-01-31","val":44000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":44000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":71000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2017-02-01","end":"2017-04-30","val":71000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":3054000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-07-31","val":3054000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-02-01","end":"2017-10-31","val":261000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":261000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-02-01","end":"2018-01-31","val":1130000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":1130000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":1130000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":1706000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"start":"2018-02-01","end":"2018-04-30","val":1706000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":561000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-07-31","val":561000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-02-01","end":"2018-10-31","val":202000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2018-10-31","val":202000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-02-01","end":"2019-01-31","val":208000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":208000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":208000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":49000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":49000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":500000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":500000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-02-01","end":"2019-10-31","val":138000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":138000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-02-01","end":"2020-01-31","val":45000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":45000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":606000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":606000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":127000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":127000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-02-01","end":"2020-10-31","val":60000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-02-01","end":"2021-01-31","val":15000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":0,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":6000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"}]}},"CapitalizedContractCostAmortization":{"label":"Capitalized Contract Cost, Amortization","description":"Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer.","units":{"USD":[{"start":"2017-02-01","end":"2018-01-31","val":23300000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2019-01-31","val":30600000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":30600000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2020-01-31","val":47600000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":47600000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2021-01-31","val":66700000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"}]}},"CapitalizedContractCostNet":{"label":"Capitalized Contract Cost, Net","description":"Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer.","units":{"USD":[{"end":"2018-01-31","val":60000000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2019-01-31","val":69000000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":69000000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2020-01-31","val":90000000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":90000000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2021-01-31","val":84200000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"}]}},"CapitalizedContractCostNetCurrent":{"label":"Capitalized Contract Cost, Net, Current","description":"Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer; classified as current.","units":{"USD":[{"end":"2020-01-31","val":54776000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2021-01-31","val":53048000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":53048000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":53048000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":49308000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":49347000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"CapitalizedContractCostNetNoncurrent":{"label":"Capitalized Contract Cost, Net, Noncurrent","description":"Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer; classified as noncurrent.","units":{"USD":[{"end":"2020-01-31","val":35260000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2021-01-31","val":31170000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":31170000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":31170000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":27053000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":24112000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"CashAcquiredFromAcquisition":{"label":"Cash Acquired from Acquisition","description":"The cash inflow associated with the acquisition of business during the period (for example, cash that was held by the acquired business).","units":{"USD":[{"start":"2016-02-01","end":"2017-01-31","val":0,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2018-01-31","val":0,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017"},{"start":"2018-02-01","end":"2019-01-31","val":42557000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":42557000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":42557000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"}]}},"CashAndCashEquivalentsAtCarryingValue":{"label":"Cash and Cash Equivalents, at Carrying Value","description":"Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.","units":{"USD":[{"end":"2016-01-31","val":35966000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015Q4I"},{"end":"2016-04-30","val":49691000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1I"},{"end":"2016-07-31","val":50609000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2016Q2I"},{"end":"2016-10-31","val":31448000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2016Q3I"},{"end":"2017-01-31","val":74186000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":74186000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":74186000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":74186000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2017-01-31","val":74186000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016Q4I"},{"end":"2017-04-30","val":51572000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-04-30","val":51572000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1I"},{"end":"2017-07-31","val":68936000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-07-31","val":68936000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2017Q2I"},{"end":"2017-10-31","val":62797000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-10-31","val":62797000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2017Q3I"},{"end":"2018-01-31","val":43247000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":43247000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-01-31","val":43247000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":43247000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2018-01-31","val":43247000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2018-01-31","val":43247000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017Q4I"},{"end":"2018-04-30","val":82445000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-04-30","val":82445000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2018-04-30","val":52970000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2018Q1I"},{"end":"2018-07-31","val":52970000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":64632000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2018-10-31","val":64632000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":158672000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":158672000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":158672000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":158672000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":158672000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2019-01-31","val":158672000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018Q4I"},{"end":"2019-04-30","val":107362000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-04-30","val":107362000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":88075000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-07-31","val":88075000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":113203000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-10-31","val":113203000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2019Q3I"},{"end":"2020-01-31","val":107638000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":107638000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":107638000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":107638000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":107638000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":160925000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-04-30","val":160925000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1I"},{"end":"2020-07-31","val":143171000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-07-31","val":143171000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q2I"},{"end":"2020-10-31","val":96114000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":298672000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":298672000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":298672000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":169101000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":134075000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents":{"label":"Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents","description":"Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.","units":{"USD":[{"end":"2015-01-31","val":359844000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2014Q4I"},{"end":"2016-01-31","val":35994000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2016-01-31","val":35994000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2016-01-31","val":35994000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2016-01-31","val":35994000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2016-01-31","val":35994000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2015Q4I"},{"end":"2016-04-30","val":49720000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1I"},{"end":"2016-07-31","val":50635000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2016Q2I"},{"end":"2016-10-31","val":46894000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2016Q3I"},{"end":"2017-01-31","val":89632000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":89632000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":89632000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":89632000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2017-01-31","val":89632000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2017-01-31","val":89632000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2017-01-31","val":89632000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2017-01-31","val":89632000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2017-01-31","val":89632000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2016Q4I"},{"end":"2017-04-30","val":67020000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-04-30","val":67020000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1I"},{"end":"2017-07-31","val":86984000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-07-31","val":86984000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2017Q2I"},{"end":"2017-10-31","val":80847000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-10-31","val":80847000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2017Q3I"},{"end":"2018-01-31","val":61299000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":61299000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-01-31","val":61299000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":61299000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2018-01-31","val":61299000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2018-01-31","val":61299000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2018-01-31","val":61299000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2018-01-31","val":61299000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2018-01-31","val":61299000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2018-01-31","val":61299000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2017Q4I"},{"end":"2018-04-30","val":100468000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-04-30","val":100468000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2018-04-30","val":70994000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2018Q1I"},{"end":"2018-07-31","val":70994000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-07-31","val":70994000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2018Q2I"},{"end":"2018-10-31","val":67984000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2018-10-31","val":67984000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":162039000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":162039000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":162039000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":162039000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":162039000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2019-01-31","val":162039000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2019-01-31","val":162039000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2019-01-31","val":162039000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2019-01-31","val":162039000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018Q4I"},{"end":"2019-04-30","val":110714000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-04-30","val":110714000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":91427000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-07-31","val":91427000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":116555000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-10-31","val":116555000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2019Q3I"},{"end":"2020-01-31","val":110990000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":110990000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":110990000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":110990000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":110990000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2020-01-31","val":110990000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2020-01-31","val":110990000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2019Q4I"},{"end":"2020-04-30","val":164277000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-04-30","val":164277000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1I"},{"end":"2020-07-31","val":146523000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-07-31","val":146523000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q2I"},{"end":"2020-10-31","val":99466000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":302024000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":302024000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":302024000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":172453000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":137427000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect":{"label":"Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect","description":"Amount of increase (decrease) in cash, cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":-323850000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-04-30","val":13726000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":14641000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-02-01","end":"2016-10-31","val":10900000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-02-01","end":"2017-01-31","val":53638000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":53638000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":-22612000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2017-02-01","end":"2017-04-30","val":-22612000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":-2648000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-07-31","val":-2648000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-02-01","end":"2017-10-31","val":-8785000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":-8785000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-02-01","end":"2018-01-31","val":-28333000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":-28333000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":-28333000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":39169000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"start":"2018-02-01","end":"2018-04-30","val":39169000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":9695000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-07-31","val":9695000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-02-01","end":"2018-10-31","val":6685000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2018-10-31","val":6685000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-02-01","end":"2019-01-31","val":100740000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":100740000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":100740000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":-51325000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":-51325000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":-70612000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":-70612000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-02-01","end":"2019-10-31","val":-45484000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":-45484000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-02-01","end":"2020-01-31","val":-51049000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":-51049000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":53287000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":53287000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":35533000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":35533000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-02-01","end":"2020-10-31","val":-11524000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-02-01","end":"2021-01-31","val":191034000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":-129571000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":-164597000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"}]}},"CommonStockCapitalSharesReservedForFutureIssuance":{"label":"Common Stock, Capital Shares Reserved for Future Issuance","description":"Aggregate number of common shares reserved for future issuance.","units":{"shares":[{"end":"2017-01-31","val":66577136,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":121843312,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":98577136,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":79258322,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":73373382,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":1054672999,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017Q4I"},{"end":"2018-04-30","val":74426116,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":71587731,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":69141647,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"}]}},"CommonStockParOrStatedValuePerShare":{"label":"Common Stock, Par or Stated Value Per Share","description":"Face amount or stated value per share of common stock.","units":{"USD/shares":[{"end":"2017-01-31","val":0.00005,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":0.00005,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":0.00005,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":0.00005,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":0.00005,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":0.00005,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":0.00005,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":0.00005,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":0.00005,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-01-31","val":0.00005,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":0.00005,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2018-01-31","val":0.00005,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2018-04-30","val":0.00005,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":0.00005,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":0.00005,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":0.00005,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":0.05,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":0.05,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":0.05,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":0.00005,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":0.05,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":0.05,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":0.05,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":0.00005,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":0.00005,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":0.00005,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":0.00005,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":0.00005,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":0.00005,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":0.00005,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":0.00005,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":0.00005,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":0.00005,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":0.00005,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":0.00005,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-06-01","val":0.00005,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"},{"end":"2021-07-31","val":0.00005,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"}]}},"CommonStockSharesAuthorized":{"label":"Common Stock, Shares Authorized","description":"The maximum number of common shares permitted to be issued by an entity's charter and bylaws.","units":{"shares":[{"end":"2017-01-31","val":160000000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":160000000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":160000000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":160000000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":270000000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":1200000000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":1200000000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":1200000000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":1200000000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-01-31","val":1200000000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":1200000000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2018-01-31","val":1200000000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2018-04-30","val":1200000000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":1200000000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":1200000000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":1200000000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":1200000000000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":1200000000000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":1200000000000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":1200000000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":1200000000000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":1200000000000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":1200000000000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":1200000000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":1200000000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":1200000000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":1200000000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":1200000000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":1200000000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":1200000000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":1200000000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":1200000000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":1200000000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":1200000000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":1200000000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":1200000000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"CommonStockSharesIssued":{"label":"Common Stock, Shares, Issued","description":"Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.","units":{"shares":[{"end":"2017-01-31","val":38156688,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":38156688,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":38156688,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":38156688,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":38821822,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-10-31","val":153443586,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2017Q3I"},{"end":"2018-01-31","val":145327001,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":145327001,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-01-31","val":145327001,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":145327001,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2018-04-30","val":148159117,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":150997502,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":145327001,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":268818627,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":268818627000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":268818627000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":268818627000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":268818627,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":274184496000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":279594721000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":287117539000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":295167761,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":295167761,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":295167761,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":295167761,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":295167761,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":295348575,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":309234046,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":312718408,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":291220735,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":291220735,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":291220735,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":293061577,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":296212583,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"CommonStockSharesOutstanding":{"label":"Common Stock, Shares, Outstanding","description":"Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.","units":{"shares":[{"end":"2017-01-31","val":38156688,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":38156688,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":38156688,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":38156688,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":38821822,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":131250336,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":140492231,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-10-31","val":153443586,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2017Q3I"},{"end":"2018-01-31","val":145327001,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":145327001,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-01-31","val":145327001,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":145327001,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2018-01-31","val":145327001,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2018-04-30","val":148159117,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":150997502,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2019-01-31","val":268818627,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":268818627000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":268818627000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":268818627000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":268818627,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":274184496000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":279594721000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":287117539000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":295167761,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":295167761,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":295167761,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":295167761,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":295167761,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":295348575,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":309234046,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":312718408,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":291220735,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":291220735,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":291220735,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":293061577,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":296212583,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"CommonStockValue":{"label":"Common Stock, Value, Issued","description":"Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.","units":{"USD":[{"end":"2017-01-31","val":2000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":2000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":2000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":2000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":2000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":7000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":7000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":7000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":7000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-01-31","val":7000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":7000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2018-01-31","val":7000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2018-04-30","val":7000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":8000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":8000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":13000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":13000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":13000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":13000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":13000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":14000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":14000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":14000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":15000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":15000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":15000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":15000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":15000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":15000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":15000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":16000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":15000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":15000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":15000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":15000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":15000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"ComprehensiveIncomeNetOfTax":{"label":"Comprehensive Income (Loss), Net of Tax, Attributable to Parent","description":"Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":-203664000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-04-30","val":-42607000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":-81454000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-05-01","end":"2016-07-31","val":-38847000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2016Q2"},{"start":"2016-02-01","end":"2016-10-31","val":-125643000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-08-01","end":"2016-10-31","val":-44189000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2016Q3"},{"start":"2016-02-01","end":"2017-01-31","val":-187129000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":-158197000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":-222276000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2017-02-01","end":"2017-04-30","val":-222276000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":-286513000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-07-31","val":-286513000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-05-01","end":"2017-07-31","val":-64237000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-05-01","end":"2017-07-31","val":-64237000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2017Q2"},{"start":"2017-02-01","end":"2017-10-31","val":-341944000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":-341944000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-08-01","end":"2017-10-31","val":-55431000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-08-01","end":"2017-10-31","val":-55431000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2017Q3"},{"start":"2017-02-01","end":"2018-01-31","val":-386069000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":-369948000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":-369948000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":-51284000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"start":"2018-02-01","end":"2018-04-30","val":-52565000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":-84605000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-07-31","val":-81460000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-05-01","end":"2018-07-31","val":-33321000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-05-01","end":"2018-07-31","val":-28895000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2018Q2"},{"start":"2018-02-01","end":"2018-10-31","val":-111191000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2018-10-31","val":-107369000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":-26586000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":-25909000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2018Q3"},{"start":"2018-02-01","end":"2019-01-31","val":-191859000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":-191859000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":-191859000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":-102788000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":-102788000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":-190001000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":-190001000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":-87213000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":-87213000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2019Q2"},{"start":"2019-02-01","end":"2019-10-31","val":-271275000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":-271275000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-08-01","end":"2019-10-31","val":-81274000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-08-01","end":"2019-10-31","val":-81274000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2019Q3"},{"start":"2019-02-01","end":"2020-01-31","val":-336267000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":-336267000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":-57998000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":-57998000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":-93521000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":-93521000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-05-01","end":"2020-07-31","val":-35523000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-05-01","end":"2020-07-31","val":-35523000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q2"},{"start":"2020-02-01","end":"2020-10-31","val":-108424000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-08-01","end":"2020-10-31","val":-14903000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3"},{"start":"2020-02-01","end":"2021-01-31","val":-162427000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":-40828000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":-75047000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2021-05-01","end":"2021-07-31","val":-34219000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2"}]}},"ContractRevenueCost":{"label":"Contract Revenue Cost (Deprecated 2018-01-31)","description":"Costs incurred and are directly related to generating contract revenues.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":44498000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-04-30","val":11684000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":23317000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-05-01","end":"2016-07-31","val":11633000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2016Q2"},{"start":"2016-02-01","end":"2017-01-31","val":48284000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":33640000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":50395000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-05-01","end":"2017-07-31","val":16755000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2"},{"start":"2017-02-01","end":"2018-01-31","val":87133000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017"}]}},"ContractsRevenue":{"label":"Contracts Revenue (Deprecated 2018-01-31)","description":"Amount of revenue earned from products sold or services provided under the terms of a contract, including, but not limited to, government contracts and construction contracts, classified as other.","units":{"USD":[{"start":"2016-02-01","end":"2016-04-30","val":15813000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":29581000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-05-01","end":"2016-07-31","val":13768000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2016Q2"},{"start":"2017-02-01","end":"2017-04-30","val":14925000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":30767000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-05-01","end":"2017-07-31","val":15842000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2"}]}},"ContractWithCustomerAssetIncreaseDecreaseForContractAcquiredInBusinessCombination":{"label":"Contract with Customer, Asset, Increase (Decrease) for Contract Acquired in Business Combination","description":"Amount of increase (decrease) in right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, from business combination.","units":{"USD":[{"start":"2018-02-01","end":"2019-01-31","val":1657000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2018"}]}},"ContractWithCustomerAssetNetCurrent":{"label":"Contract with Customer, Asset, after Allowance for Credit Loss, Current","description":"Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as current.","units":{"USD":[{"end":"2017-01-31","val":2645000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016Q4I"},{"end":"2018-01-31","val":2933000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2019-01-31","val":4824000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":4824000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":4824000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":4824000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":4824000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":5355000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-04-30","val":5355000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-04-30","val":5355000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q1I"},{"end":"2019-07-31","val":5569000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-07-31","val":5569000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q2I"},{"end":"2019-10-31","val":5522000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":4648000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":4600000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":4600000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":4600000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":4600000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":4100000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":3300000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":3000000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":5000000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":5000000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":5000000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":3500000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":2700000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"ContractWithCustomerAssetReclassifiedToReceivable":{"label":"Contract with Customer, Asset, Reclassified to Receivable","description":"Amount of decrease in right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time from transfer to receivable due to right to consideration becoming unconditional.","units":{"USD":[{"start":"2017-02-01","end":"2018-01-31","val":2273000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017"},{"start":"2018-02-01","end":"2019-01-31","val":3832000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":4041000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":4041000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-04-30","val":4041000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q1"},{"start":"2019-05-01","end":"2019-07-31","val":4091000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":4091000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q2"},{"start":"2019-08-01","end":"2019-10-31","val":3232000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3"}]}},"ContractWithCustomerLiability":{"label":"Contract with Customer, Liability","description":"Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.","units":{"USD":[{"end":"2017-01-31","val":179495000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016Q4I"},{"end":"2018-01-31","val":249950000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2018-01-31","val":249950000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017Q4I"},{"end":"2019-01-31","val":526042000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":526042000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":526042000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":526042000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":526042000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2019-01-31","val":526042000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018Q4I"},{"end":"2019-04-30","val":486339000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-04-30","val":486339000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-04-30","val":486339000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q1I"},{"end":"2019-07-31","val":463920000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-07-31","val":463920000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q2I"},{"end":"2019-10-31","val":453834000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":554712000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":554712000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":554712000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":554712000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":554712000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":514722000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-04-30","val":514722000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-04-30","val":514722000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q1I"},{"end":"2020-07-31","val":485971000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-07-31","val":485971000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":467796000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":608397000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":608397000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":608397000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":549009000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-04-30","val":549009000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q1I"},{"end":"2021-07-31","val":520614000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"ContractWithCustomerLiabilityCurrent":{"label":"Contract with Customer, Liability, Current","description":"Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.","units":{"USD":[{"end":"2018-01-31","val":257141000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":257141000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2017Q4I"},{"end":"2018-07-31","val":253779000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":242665000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2020-01-31","val":472786000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2021-01-31","val":553983000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"}]}},"ContractWithCustomerLiabilityIncreaseDecreaseForContractAcquiredInBusinessCombination":{"label":"Contract with Customer, Liability, Increase (Decrease) for Contract Acquired in Business Combination","description":"Amount of increase (decrease) in obligation to transfer good or service to customer for which consideration from customer has been received or is due, from business combination.","units":{"USD":[{"start":"2018-02-01","end":"2019-01-31","val":233500000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":233500000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018"}]}},"ContractWithCustomerLiabilityNoncurrent":{"label":"Contract with Customer, Liability, Noncurrent","description":"Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as noncurrent.","units":{"USD":[{"end":"2018-01-31","val":34870000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":34870000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2017Q4I"},{"end":"2018-07-31","val":30500000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":34654000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2020-01-31","val":81926000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2021-01-31","val":54414000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"}]}},"ContractWithCustomerLiabilityRevenueRecognized":{"label":"Contract with Customer, Liability, Revenue Recognized","description":"Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.","units":{"USD":[{"start":"2017-02-01","end":"2018-01-31","val":156548000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017"},{"start":"2018-02-01","end":"2019-01-31","val":228167000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":228167000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":143778000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":143778000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-04-30","val":143778000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q1"},{"start":"2019-05-01","end":"2019-07-31","val":144776000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":144776000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q2"},{"start":"2019-08-01","end":"2019-10-31","val":147270000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3"},{"start":"2019-02-01","end":"2020-01-31","val":407004000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":407004000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":165645000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":165645000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-04-30","val":165645000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q1"},{"start":"2020-05-01","end":"2020-07-31","val":166692000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-05-01","end":"2020-07-31","val":166692000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q2"},{"start":"2020-08-01","end":"2020-10-31","val":172525000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3"},{"start":"2020-02-01","end":"2021-01-31","val":465351000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":188443000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"start":"2021-02-01","end":"2021-04-30","val":188443000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q1"},{"start":"2021-05-01","end":"2021-07-31","val":200148000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2"}]}},"ConversionOfStockAmountConverted1":{"label":"Conversion of Stock, Amount Converted","description":"\"The value of the stock converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. \"\"Part noncash\"\" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.\"","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":0,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-07-31","val":0,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-02-01","end":"2016-10-31","val":0,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-02-01","end":"2017-01-31","val":0,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":0,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2017-07-31","val":657687000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-07-31","val":657687000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-02-01","end":"2017-10-31","val":657687000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":657687000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-02-01","end":"2018-01-31","val":657687000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":657687000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":657687000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-07-31","val":0,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-10-31","val":0,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2019-01-31","val":0,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":0,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018"},{"start":"2019-02-01","end":"2020-01-31","val":0,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2019"}]}},"ConvertiblePreferredStockSharesIssuedUponConversion":{"label":"Convertible Preferred Stock, Shares Issued upon Conversion","description":"Number of shares issued for each share of convertible preferred stock that is converted.","units":{"shares":[{"end":"2017-05-03","val":74907415,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-05-03","val":74907415,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q1I"}]}},"CostOfGoodsAndServicesSold":{"label":"Cost of Goods and Services Sold","description":"The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.","units":{"USD":[{"start":"2016-02-01","end":"2017-01-31","val":86988000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2017-07-31","val":92082000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-05-01","end":"2017-07-31","val":31970000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2017Q2"},{"start":"2017-02-01","end":"2017-10-31","val":125208000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-08-01","end":"2017-10-31","val":33126000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2017Q3"},{"start":"2017-02-01","end":"2018-01-31","val":158035000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":158035000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":33351000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":65483000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-07-31","val":65483000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-05-01","end":"2018-07-31","val":32132000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-05-01","end":"2018-07-31","val":32132000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2018Q2"},{"start":"2018-02-01","end":"2018-10-31","val":95459000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2018-10-31","val":95459000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":29976000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":29976000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2018Q3"},{"start":"2018-02-01","end":"2019-01-31","val":136114000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":136114000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":136114000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":61233000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":61233000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":118363000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":118363000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":57130000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":57130000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2019Q2"},{"start":"2019-02-01","end":"2019-10-31","val":175991000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":175991000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-08-01","end":"2019-10-31","val":57628000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-08-01","end":"2019-10-31","val":57628000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2019Q3"},{"start":"2019-02-01","end":"2020-01-31","val":232502000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":232502000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":54241000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":54241000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":103880000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":103880000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-05-01","end":"2020-07-31","val":49639000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-05-01","end":"2020-07-31","val":49639000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q2"},{"start":"2020-02-01","end":"2020-10-31","val":145927000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-08-01","end":"2020-10-31","val":42047000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3"},{"start":"2020-02-01","end":"2021-01-31","val":189188000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":43118000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":88091000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2021-05-01","end":"2021-07-31","val":44973000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2"}]}},"CostOfServices":{"label":"Cost of Services (Deprecated 2018-01-31)","description":"Total costs related to services rendered by an entity during the reporting period.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":75363000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-04-30","val":21035000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":42374000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-05-01","end":"2016-07-31","val":21339000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2016Q2"},{"start":"2016-02-01","end":"2016-10-31","val":64813000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-08-01","end":"2016-10-31","val":22439000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2016Q3"},{"start":"2016-02-01","end":"2017-01-31","val":86988000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":60112000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2017-02-01","end":"2017-04-30","val":60112000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":92082000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-05-01","end":"2017-07-31","val":31970000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2"},{"start":"2017-02-01","end":"2017-10-31","val":125208000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-08-01","end":"2017-10-31","val":33126000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3"},{"start":"2017-02-01","end":"2018-01-31","val":158035000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":33351000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1"}]}},"CostOfServicesLicensesAndServices":{"label":"Cost of Services, Licenses and Services (Deprecated 2018-01-31)","description":"Cost of generating revenue from multiple-deliverable arrangements that include licensing fees and services revenue. Licensing revenue is consideration received from another party for the right to use, but not own, certain of the entity's intangible assets. Licensing arrangements include, but are not limited to, rights to use a patent, copyright, technology, manufacturing process, software or trademark. Licensing fees are generally, but not always, fixed as to amount and not dependent upon the revenue generated by the licensing party. An entity may receive licensing fees for licenses that also generate royalty payments to the entity. Services revenue may be derived by providing other, nonspecified, services during the reporting period.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":30865000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-04-30","val":9351000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":19057000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-05-01","end":"2016-07-31","val":9706000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2016Q2"},{"start":"2016-02-01","end":"2016-10-31","val":28844000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-08-01","end":"2016-10-31","val":9787000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2016Q3"},{"start":"2016-02-01","end":"2017-01-31","val":38704000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":26472000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2017-02-01","end":"2017-04-30","val":26472000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":41687000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-05-01","end":"2017-07-31","val":15215000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2"},{"start":"2017-02-01","end":"2017-10-31","val":56173000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-08-01","end":"2017-10-31","val":14486000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3"},{"start":"2017-02-01","end":"2018-01-31","val":70902000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":15807000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1"}]}},"CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption":{"label":"Cumulative Effect of New Accounting Principle in Period of Adoption (Deprecated 2020-01-31)","description":"Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.","units":{"USD":[{"end":"2017-02-01","val":60100000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016Q4I"},{"end":"2020-02-01","val":-798000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q4I"}]}},"CurrentFederalTaxExpenseBenefit":{"label":"Current Federal Tax Expense (Benefit)","description":"Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":0,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2017-01-31","val":0,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":0,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2018-01-31","val":0,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":0,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":0,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2019-01-31","val":0,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":0,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":0,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2020-01-31","val":0,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":0,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2021-01-31","val":0,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"}]}},"CurrentForeignTaxExpenseBenefit":{"label":"Current Foreign Tax Expense (Benefit)","description":"Amount of current foreign income tax expense (benefit) pertaining to income (loss) from continuing operations.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":940000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2017-01-31","val":2011000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":2011000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2018-01-31","val":3097000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":3097000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":3097000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2019-01-31","val":5371000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":5371000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":5371000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2020-01-31","val":8766000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":8766000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2021-01-31","val":9179000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"}]}},"CurrentIncomeTaxExpenseBenefit":{"label":"Current Income Tax Expense (Benefit)","description":"Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":1117000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2017-01-31","val":2151000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":2151000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2018-01-31","val":3209000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":3209000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":3209000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2019-01-31","val":5477000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":5477000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":5477000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2020-01-31","val":8784000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":8784000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2021-01-31","val":9195000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"}]}},"CurrentStateAndLocalTaxExpenseBenefit":{"label":"Current State and Local Tax Expense (Benefit)","description":"Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":177000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2017-01-31","val":140000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":140000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2018-01-31","val":112000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":112000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":112000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2019-01-31","val":106000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":106000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":106000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2020-01-31","val":18000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":18000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2021-01-31","val":16000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"}]}},"CustomerAdvancesAndDepositsCurrent":{"label":"Customer Advances and Deposits, Current","description":"The current portion of aggregate prepayments received from customers for goods or services to be provided in the future, as well as the current portion of money or property received from customers that are to be returned upon satisfactory contract completion or as partial prepayment for goods or services to be provided in the future.","units":{"USD":[{"end":"2017-01-31","val":301000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":301000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":301000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":301000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":172000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":252000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":778000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":556000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017Q4I"}]}},"DebtInstrumentCarryingAmount":{"label":"Long-term Debt, Gross","description":"Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.","units":{"USD":[{"end":"2021-01-31","val":500000000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"},{"end":"2021-04-30","val":498750000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":497500000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger":{"label":"Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer","description":"Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.","units":{"USD":[{"end":"2018-01-31","val":8305000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":8305000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2017Q4I"},{"end":"2018-07-31","val":12055000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":60067000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":46209000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":46209000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":46209000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2018Q4I"},{"end":"2019-04-30","val":83839000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":65527000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":89734000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"}]}},"DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss":{"label":"Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss","description":"Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without allowance for credit loss. Includes beneficial interest in securitized financial asset.","units":{"USD":[{"end":"2018-01-31","val":19000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":19000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2017Q4I"},{"end":"2018-07-31","val":50000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":196000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":46335000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":46335000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":46335000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2018Q4I"},{"end":"2019-04-30","val":84096000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":65897000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":90314000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"}]}},"DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months":{"label":"Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months","description":"Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.","units":{"USD":[{"end":"2018-01-31","val":296908000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":296908000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2017Q4I"},{"end":"2018-07-31","val":244778000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":207374000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":380461000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":380461000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":380461000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2018Q4I"},{"end":"2019-04-30","val":380170000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":378539000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":331696000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"}]}},"DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss":{"label":"Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss","description":"Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.","units":{"USD":[{"end":"2018-01-31","val":742000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":742000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2018-01-31","val":700000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2018-07-31","val":580000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":369000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":0,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":380335000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":380335000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":380335000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2018Q4I"},{"end":"2019-04-30","val":380263000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":378971000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":332293000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"}]}},"DebtSecuritiesAvailableForSaleUnrealizedLossPosition":{"label":"Debt Securities, Available-for-sale, Unrealized Loss Position","description":"Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position without allowance for credit loss.","units":{"USD":[{"end":"2018-01-31","val":305213000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":305213000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2017Q4I"},{"end":"2018-07-31","val":256833000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":267441000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":426670000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":426670000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":426670000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2018Q4I"},{"end":"2019-04-30","val":464009000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":444066000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":421430000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"}]}},"DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss":{"label":"Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss","description":"Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.","units":{"USD":[{"end":"2018-01-31","val":761000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":761000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2017Q4I"},{"end":"2018-07-31","val":630000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":565000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":426670000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":426670000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":426670000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2018Q4I"},{"end":"2019-04-30","val":464359000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":444868000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":422607000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"}]}},"DeferredCompensationShareBasedArrangementsLiabilityCurrent":{"label":"Deferred Compensation Share-based Arrangements, Liability, Current","description":"Aggregate carrying value as of the balance sheet date of the liabilities for stock option plans and other equity-based compensation arrangements payable within one year (or the operating cycle, if longer).","units":{"USD":[{"end":"2017-01-31","val":0,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":0,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":0,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-07-31","val":3861000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":7689000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":2238000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017Q4I"}]}},"DeferredCosts":{"label":"Deferred Costs, Noncurrent","description":"Amount of deferred cost, excluding capitalized cost related to contract with customer; classified as noncurrent.","units":{"USD":[{"end":"2018-01-31","val":37703000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2019-01-31","val":36913000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":36913000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":36913000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":36913000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":36913000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":31896000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":30301000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":29648000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":35260000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":35260000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":35260000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":35260000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2019Q4I"},{"end":"2020-04-30","val":35416000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":32717000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":30365000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"}]}},"DeferredCostsCurrent":{"label":"Deferred Costs, Current","description":"Sum of the carrying amounts as of the balance sheet date of deferred costs capitalized at the end of the reporting period that are expected to be charged against earnings within one year or the normal operating cycle, if longer.","units":{"USD":[{"end":"2018-01-31","val":22278000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2019-01-31","val":32100000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":32100000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":32100000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":32100000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":32100000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":36877000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":39546000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":42987000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":54776000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":54776000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":54776000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":54776000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2019Q4I"},{"end":"2020-04-30","val":48618000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":46199000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":44922000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"}]}},"DeferredFederalIncomeTaxExpenseBenefit":{"label":"Deferred Federal Income Tax Expense (Benefit)","description":"Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":0,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2017-01-31","val":108000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":108000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2018-01-31","val":-917000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":-917000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":-917000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2019-01-31","val":0,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":0,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":0,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2020-01-31","val":0,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":0,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2021-01-31","val":-302000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"}]}},"DeferredForeignIncomeTaxExpenseBenefit":{"label":"Deferred Foreign Income Tax Expense (Benefit)","description":"Amount of deferred foreign income tax expense (benefit) pertaining to income (loss) from continuing operations.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":-7000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2017-01-31","val":-72000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":-72000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2018-01-31","val":-213000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":-213000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":-213000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2019-01-31","val":-59000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":-59000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":-59000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2020-01-31","val":-84000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":-84000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2021-01-31","val":-1547000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"}]}},"DeferredIncomeTaxExpenseBenefit":{"label":"Deferred Income Tax Expense (Benefit)","description":"Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":-7000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-10-31","val":0,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-02-01","end":"2017-01-31","val":36000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":36000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2017-10-31","val":-806000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":-806000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-02-01","end":"2018-01-31","val":-1130000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":-1130000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":-1130000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-10-31","val":0,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2019-01-31","val":-59000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":-59000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":-59000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2020-01-31","val":-84000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":-84000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2021-01-31","val":-1849000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"}]}},"DeferredIncomeTaxLiabilities":{"label":"Deferred Tax Liabilities, Gross","description":"Amount of deferred tax liability attributable to taxable temporary differences.","units":{"USD":[{"end":"2017-01-31","val":872000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2018-01-31","val":510000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":15265000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2019-01-31","val":83079000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":83079000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2020-01-31","val":198519000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":208870000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2021-01-31","val":180671000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"}]}},"DeferredOfferingCosts":{"label":"Deferred Offering Costs","description":"Specific incremental costs directly attributable to a proposed or actual offering of securities which are deferred at the end of the reporting period.","units":{"USD":[{"end":"2017-01-31","val":2800000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q4I"},{"end":"2017-04-30","val":4900000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"}]}},"DeferredRentCreditCurrent":{"label":"Deferred Rent Credit, Current","description":"For a classified balance sheet, the cumulative difference as of the balance sheet date between the payments required by a lease agreement and the rental income or expense recognized on a straight-line basis, or other systematic and rational basis more representative of the time pattern in which use or benefit is granted or derived from the leased property, expected to be recognized in income or expense, by the lessor or lessee, respectively, within one year of the balance sheet date.","units":{"USD":[{"end":"2017-01-31","val":47000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":47000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":47000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":47000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":86000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":523000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":446000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":334000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017Q4I"}]}},"DeferredRevenueCurrent":{"label":"Deferred Revenue, Current","description":"Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable, classified as current.","units":{"USD":[{"end":"2017-01-31","val":192242000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":192242000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":192242000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":192242000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":186683000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":194252000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":197013000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":257141000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":257141000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q4I"},{"end":"2018-04-30","val":246996000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"}]}},"DeferredRevenueLeasesCurrent":{"label":"Deferred Lease Income, Current","description":"Amount of deferred lease income, classified as noncurrent. Includes, but is not limited to, amount paid in advance by lessee.","units":{"USD":[{"end":"2017-01-31","val":861000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":861000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":861000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":861000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":1266000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":1266000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":405000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":0,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017Q4I"}]}},"DeferredRevenueNoncurrent":{"label":"Deferred Revenue, Noncurrent","description":"Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable, classified as noncurrent.","units":{"USD":[{"end":"2017-01-31","val":25182000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":25182000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":25182000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":25182000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":26313000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":36869000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":35074000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":34870000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":34870000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q4I"},{"end":"2018-04-30","val":32134000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"}]}},"DeferredStateAndLocalIncomeTaxExpenseBenefit":{"label":"Deferred State and Local Income Tax Expense (Benefit)","description":"Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":0,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2017-01-31","val":0,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":0,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2018-01-31","val":0,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":0,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":0,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2019-01-31","val":0,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":0,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":0,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2020-01-31","val":0,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":0,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2021-01-31","val":0,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"}]}},"DeferredTaxAssetsDeferredIncome":{"label":"Deferred Tax Assets, Deferred Income","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from deferred income.","units":{"USD":[{"end":"2017-01-31","val":26509000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2018-01-31","val":25057000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":13934000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2019-01-31","val":0,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":0,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2020-01-31","val":28621000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":28621000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2021-01-31","val":20967000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"}]}},"DeferredTaxAssetsGross":{"label":"Deferred Tax Assets, Gross","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.","units":{"USD":[{"end":"2017-01-31","val":226596000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2018-01-31","val":298227000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":287104000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2019-01-31","val":537788000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":537788000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2020-01-31","val":658603000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":668954000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2021-01-31","val":708045000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"}]}},"DeferredTaxAssetsLiabilitiesNet":{"label":"Deferred Tax Assets, Net","description":"Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting.","units":{"USD":[{"end":"2017-01-31","val":229000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2018-01-31","val":443000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":443000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2019-01-31","val":431000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":431000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2020-01-31","val":435000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":435000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2021-01-31","val":1993000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"}]}},"DeferredTaxAssetsNet":{"label":"Deferred Tax Assets, Net of Valuation Allowance","description":"Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.","units":{"USD":[{"end":"2017-01-31","val":1101000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2018-01-31","val":953000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":15708000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2019-01-31","val":83510000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":83510000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2020-01-31","val":198954000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":209305000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2021-01-31","val":182664000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"}]}},"DeferredTaxAssetsOperatingLossCarryforwards":{"label":"Deferred Tax Assets, Operating Loss Carryforwards","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.","units":{"USD":[{"end":"2017-01-31","val":165873000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2018-01-31","val":202286000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":202286000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2019-01-31","val":430220000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":430220000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2020-01-31","val":475390000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":475390000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2021-01-31","val":479157000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"}]}},"DeferredTaxAssetsTaxCreditCarryforwardsResearch":{"label":"Deferred Tax Assets, Tax Credit Carryforwards, Research","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible research tax credit carryforwards.","units":{"USD":[{"end":"2017-01-31","val":12009000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2018-01-31","val":27480000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":27480000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2019-01-31","val":62869000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":62869000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2020-01-31","val":75168000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":75168000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2021-01-31","val":84278000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"}]}},"DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost":{"label":"Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation.","units":{"USD":[{"end":"2017-01-31","val":9923000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2018-01-31","val":30747000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":30747000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2019-01-31","val":30946000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":30946000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2020-01-31","val":18428000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":18428000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2021-01-31","val":8626000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"}]}},"DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals":{"label":"Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from reserves and accruals.","units":{"USD":[{"end":"2017-01-31","val":12282000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2018-01-31","val":12657000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":12657000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2019-01-31","val":13753000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":13753000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2020-01-31","val":7948000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":7948000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2021-01-31","val":13079000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"}]}},"DeferredTaxAssetsValuationAllowance":{"label":"Deferred Tax Assets, Valuation Allowance","description":"Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.","units":{"USD":[{"end":"2017-01-31","val":225495000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2018-01-31","val":297274000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":271396000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2019-01-31","val":454278000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":454278000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2020-01-31","val":459649000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":459649000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2021-01-31","val":525381000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"}]}},"DeferredTaxLiabilitiesDeferredExpense":{"label":"Deferred Tax Liabilities, Deferred Expense","description":"Amount of deferred tax liability attributable to taxable temporary differences from capitalized costs.","units":{"USD":[{"end":"2018-01-31","val":14755000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2019-01-31","val":16768000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":16768000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2020-01-31","val":21609000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":21609000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2021-01-31","val":20741000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"}]}},"DeferredTaxLiabilitiesLeasingArrangements":{"label":"Deferred Tax Liabilities, Leasing Arrangements","description":"Amount of deferred tax liability attributable to taxable temporary differences from leasing arrangements.","units":{"USD":[{"end":"2020-01-31","val":48085000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":48085000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2021-01-31","val":35157000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"}]}},"DeferredTaxLiabilitiesPropertyPlantAndEquipment":{"label":"Deferred Tax Liabilities, Property, Plant and Equipment","description":"Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.","units":{"USD":[{"end":"2017-01-31","val":872000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2018-01-31","val":510000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":510000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2019-01-31","val":61285000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":61285000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2020-01-31","val":128825000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":139176000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2021-01-31","val":124773000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"}]}},"DeferredTaxLiabilitiesTaxDeferredIncome":{"label":"Deferred Tax Liabilities, Tax Deferred Income","description":"Amount of deferred tax liability attributable to taxable temporary differences from tax deferred revenue or income classified as other.","units":{"USD":[{"end":"2018-01-31","val":0,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2019-01-31","val":5026000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":5026000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2020-01-31","val":0,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2019Q4I"}]}},"Depreciation":{"label":"Depreciation","description":"The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":5200000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-04-30","val":1500000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":3100000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-05-01","end":"2016-07-31","val":1600000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2016Q2"},{"start":"2016-02-01","end":"2016-10-31","val":4700000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-08-01","end":"2016-10-31","val":1600000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2016Q3"},{"start":"2016-02-01","end":"2017-01-31","val":6400000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":6400000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":2700000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2017-02-01","end":"2017-04-30","val":2700000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":5100000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-07-31","val":5100000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-05-01","end":"2017-07-31","val":2400000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-05-01","end":"2017-07-31","val":2400000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2017Q2"},{"start":"2017-02-01","end":"2017-10-31","val":6700000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":6700000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-08-01","end":"2017-10-31","val":1600000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-08-01","end":"2017-10-31","val":1600000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2017Q3"},{"start":"2017-02-01","end":"2018-01-31","val":8400000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":8400000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":8400000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":1700000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"start":"2018-02-01","end":"2018-04-30","val":1700000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":3800000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-07-31","val":3800000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-05-01","end":"2018-07-31","val":2100000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-05-01","end":"2018-07-31","val":2100000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2018Q2"},{"start":"2018-02-01","end":"2018-10-31","val":5800000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2018-10-31","val":5800000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":2000000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":2000000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2018Q3"},{"start":"2018-02-01","end":"2019-01-31","val":8300000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":8300000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":8300000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":3200000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":3200000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":6100000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":6100000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":2900000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":2900000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2019Q2"},{"start":"2019-02-01","end":"2019-10-31","val":9000000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":9000000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-08-01","end":"2019-10-31","val":2900000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-08-01","end":"2019-10-31","val":2900000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2019Q3"},{"start":"2019-02-01","end":"2020-01-31","val":12100000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":12100000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":2900000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":2900000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":5600000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":5600000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-05-01","end":"2020-07-31","val":2700000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-05-01","end":"2020-07-31","val":2700000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q2"},{"start":"2020-02-01","end":"2020-10-31","val":7900000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-08-01","end":"2020-10-31","val":2300000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3"},{"start":"2020-02-01","end":"2021-01-31","val":11100000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":2000000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":3800000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2021-05-01","end":"2021-07-31","val":1800000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2"}]}},"DepreciationDepletionAndAmortization":{"label":"Depreciation, Depletion and Amortization","description":"The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":8586000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-04-30","val":2405000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":4953000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-02-01","end":"2016-10-31","val":7471000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-02-01","end":"2017-01-31","val":10134000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":10134000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":3642000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2017-02-01","end":"2017-04-30","val":3642000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":6994000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-07-31","val":6994000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-02-01","end":"2017-10-31","val":9695000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":9695000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-02-01","end":"2018-01-31","val":12102000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":12102000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":12102000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":2392000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"start":"2018-02-01","end":"2018-04-30","val":2392000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":5068000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-07-31","val":5068000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-02-01","end":"2018-10-31","val":7759000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2018-10-31","val":7759000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-02-01","end":"2019-01-31","val":17428000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":17428000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":17428000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":34631000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":23316000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":69064000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":46166000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-02-01","end":"2019-10-31","val":103020000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":69123000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-02-01","end":"2020-01-31","val":92156000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":92156000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":22573000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":22573000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":44939000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":44939000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-02-01","end":"2020-10-31","val":67016000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-02-01","end":"2021-01-31","val":89393000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":19628000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":40283000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"}]}},"EarningsPerShareBasic":{"label":"Earnings Per Share, Basic","description":"The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.","units":{"USD/shares":[{"start":"2020-02-01","end":"2020-04-30","val":-0.2,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":-0.32,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-05-01","end":"2020-07-31","val":-0.12,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q2"},{"start":"2021-02-01","end":"2021-04-30","val":-0.14,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":-0.25,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2021-05-01","end":"2021-07-31","val":-0.11,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2"}]}},"EarningsPerShareBasicAndDiluted":{"label":"Earnings Per Share, Basic and Diluted","description":"The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.","units":{"USD/shares":[{"start":"2015-02-01","end":"2016-01-31","val":-6.21,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-04-30","val":-1.2,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2016-02-01","end":"2016-04-30","val":-1.2,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":-2.27,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-05-01","end":"2016-07-31","val":-1.07,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-05-01","end":"2016-07-31","val":-1.07,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q2"},{"start":"2016-02-01","end":"2016-10-31","val":-3.47,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-08-01","end":"2016-10-31","val":-1.2,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-08-01","end":"2016-10-31","val":-1.2,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q3"},{"start":"2016-02-01","end":"2017-01-31","val":-5.15,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":-4.35,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2016-11-01","end":"2017-01-31","val":-1.67,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4"},{"start":"2017-02-01","end":"2017-04-30","val":-5.78,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2017-02-01","end":"2017-04-30","val":-5.78,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2017-04-30","val":-5.78,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"start":"2017-02-01","end":"2017-04-30","val":-5.75,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":-3.28,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-07-31","val":-3.28,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-05-01","end":"2017-07-31","val":-0.48,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-05-01","end":"2017-07-31","val":-0.48,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-05-01","end":"2017-07-31","val":-0.48,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-05-01","end":"2017-07-31","val":-0.47,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q2"},{"start":"2017-02-01","end":"2017-10-31","val":-3.27,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":-3.27,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-08-01","end":"2017-10-31","val":-0.4,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-08-01","end":"2017-10-31","val":-0.4,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-08-01","end":"2017-10-31","val":-0.4,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-08-01","end":"2017-10-31","val":-0.36,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q3"},{"start":"2017-02-01","end":"2018-01-31","val":-3.38,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":-3.24,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":-3.24,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2017-11-01","end":"2018-01-31","val":-0.31,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-11-01","end":"2018-01-31","val":-0.25,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4"},{"start":"2018-02-01","end":"2018-04-30","val":-0.35,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"start":"2018-02-01","end":"2018-04-30","val":-0.36,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2018-04-30","val":-0.36,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2018-02-01","end":"2018-04-30","val":-0.36,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":-0.57,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-07-31","val":-0.55,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-05-01","end":"2018-07-31","val":-0.22,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-05-01","end":"2018-07-31","val":-0.19,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-05-01","end":"2018-07-31","val":-0.19,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-05-01","end":"2018-07-31","val":-0.19,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q2"},{"start":"2018-02-01","end":"2018-10-31","val":-0.74,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2018-10-31","val":-0.72,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":-0.17,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":-0.17,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-08-01","end":"2018-10-31","val":-0.17,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":-0.17,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q3"},{"start":"2018-02-01","end":"2019-01-31","val":-1.21,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":-1.21,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":-1.21,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2018-11-01","end":"2019-01-31","val":-0.45,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-11-01","end":"2019-01-31","val":-0.45,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4"},{"start":"2019-02-01","end":"2019-04-30","val":-0.38,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":-0.38,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2019-04-30","val":-0.38,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":-0.69,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":-0.69,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":-0.31,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":-0.31,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-05-01","end":"2019-07-31","val":-0.31,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2019Q2"},{"start":"2019-02-01","end":"2019-10-31","val":-0.98,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":-0.98,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-08-01","end":"2019-10-31","val":-0.29,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-08-01","end":"2019-10-31","val":-0.29,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-08-01","end":"2019-10-31","val":-0.29,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2019Q3"},{"start":"2019-02-01","end":"2020-01-31","val":-1.2,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":-1.2,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2019-11-01","end":"2020-01-31","val":-0.22,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2019Q4"},{"start":"2020-02-01","end":"2020-04-30","val":-0.2,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":-0.32,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-05-01","end":"2020-07-31","val":-0.12,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2"},{"start":"2020-02-01","end":"2020-10-31","val":-0.36,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-08-01","end":"2020-10-31","val":-0.04,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3"},{"start":"2020-02-01","end":"2021-01-31","val":-0.54,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"}]}},"EarningsPerShareDiluted":{"label":"Earnings Per Share, Diluted","description":"The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.","units":{"USD/shares":[{"start":"2020-02-01","end":"2020-04-30","val":-0.2,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":-0.32,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-05-01","end":"2020-07-31","val":-0.12,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q2"},{"start":"2021-02-01","end":"2021-04-30","val":-0.14,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":-0.25,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2021-05-01","end":"2021-07-31","val":-0.11,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2"}]}},"EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate":{"label":"Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent","description":"Percentage of domestic federal statutory tax rate applicable to pretax income (loss).","units":{"pure":[{"start":"2017-02-01","end":"2017-07-31","val":0.34,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"}]}},"EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Amount":{"label":"Effective Income Tax Rate Reconciliation, Tax Cuts and Jobs Act, Amount","description":"Amount of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operations, attributable to Tax Cuts and Jobs Act.","units":{"USD":[{"start":"2017-02-01","end":"2018-01-31","val":0,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2019-01-31","val":0,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":0,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2020-01-31","val":3668000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":3668000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2021-01-31","val":0,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"}]}},"EffectOfExchangeRateOnCashAndCashEquivalents":{"label":"Effect of Exchange Rate on Cash and Cash Equivalents","description":"Amount of increase (decrease) from the effect of exchange rate changes on cash and cash equivalent balances held in foreign currencies.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":-334000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-04-30","val":238000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":34000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-02-01","end":"2016-10-31","val":6000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-02-01","end":"2017-01-31","val":75000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":75000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":1000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2017-02-01","end":"2017-04-30","val":1000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":-77000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-07-31","val":-77000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-02-01","end":"2017-10-31","val":340000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":340000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-02-01","end":"2018-01-31","val":1067000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":1067000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":-381000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":-1215000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-10-31","val":-1626000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2019-01-31","val":-1118000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2018"}]}},"EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents":{"label":"Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents","description":"Amount of increase (decrease) from effect of exchange rate changes on cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; held in foreign currencies. Excludes amounts for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.","units":{"USD":[{"start":"2017-02-01","end":"2018-01-31","val":1067000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":-381000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":-1215000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-02-01","end":"2018-10-31","val":-1626000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-02-01","end":"2019-01-31","val":-1118000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":-1118000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":-1060000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":-1060000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":-1509000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":-1509000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-02-01","end":"2019-10-31","val":-1508000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":-1508000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-02-01","end":"2020-01-31","val":-1607000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":-1607000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":-960000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":-960000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":463000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":463000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-02-01","end":"2020-10-31","val":-405000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-02-01","end":"2021-01-31","val":949000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":-185000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":-982000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"}]}},"EmployeeRelatedLiabilitiesCurrent":{"label":"Employee-related Liabilities, Current","description":"Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).","units":{"USD":[{"end":"2017-01-31","val":33376000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":33376000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":33376000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":33376000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":20709000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":32254000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":40029000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":41393000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":41393000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-01-31","val":41393000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":41393000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2018-01-31","val":41393000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2018-04-30","val":30236000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":31286000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":36834000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":53590000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":53590000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":53590000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":53590000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":53590000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":44648000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":50149000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":58552000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":61826000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":61826000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":61826000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":61826000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":61826000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":47390000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":55666000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":56029000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":56643000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":56643000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":56643000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":52351000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":56463000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions":{"label":"Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount","description":"Amount of cost to be recognized for option under share-based payment arrangement.","units":{"USD":[{"end":"2017-04-30","val":22700000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":18500000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":14700000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":11000000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017Q4I"},{"end":"2018-04-30","val":8100000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":5200000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":3400000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":2000000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2018Q4I"},{"end":"2019-04-30","val":1200000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":800000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":500000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":300000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2019Q4I"},{"end":"2020-04-30","val":200000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":100000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"}]}},"EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions":{"label":"Share-based Payment Arrangement, Exercise of Option, Tax Benefit","description":"Amount of tax benefit from exercise of option under share-based payment arrangement.","units":{"USD":[{"start":"2017-02-01","end":"2017-10-31","val":0,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2018-02-01","end":"2018-04-30","val":0,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":0,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-10-31","val":0,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2019-02-01","end":"2019-04-30","val":0,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":0,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-10-31","val":0,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2020-02-01","end":"2020-04-30","val":0,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1"}]}},"FiniteLivedIntangibleAssetsAccumulatedAmortization":{"label":"Finite-Lived Intangible Assets, Accumulated Amortization","description":"Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.","units":{"USD":[{"end":"2017-01-31","val":9229000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":9229000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":9229000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":9229000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":10173000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":11114000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":12128000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":12928000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":12928000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-01-31","val":12928000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":12928000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2018-01-31","val":12928000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2018-04-30","val":13585000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":14243000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":14899000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":22057000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":22057000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":22057000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":22057000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":22057000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":42217000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":62154000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":82180000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":102081000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":102081000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":102081000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":102081000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":102081000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":121757000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":141433000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":161182000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":180387000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":180387000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":180387000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":162517000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":179566000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive":{"label":"Finite-Lived Intangible Asset, Expected Amortization, after Year Five","description":"Amount of amortization for asset, excluding financial asset and goodwill, lacking physical substance with finite life expected to be recognized after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2019-01-31","val":325287000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2018Q4I"},{"end":"2019-04-30","val":325287000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":325287000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":325938000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":259128000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2019Q4I"},{"end":"2020-04-30","val":259128000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2021-01-31","val":192967000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"}]}},"FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths":{"label":"Finite-Lived Intangible Asset, Expected Amortization, Year One","description":"Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2018-01-31","val":2628000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017Q4I"},{"end":"2019-01-31","val":79522000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2018Q4I"},{"end":"2020-01-31","val":77941000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2019Q4I"},{"end":"2020-07-31","val":69074000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":70239000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":70239000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"},{"end":"2021-04-30","val":67887000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":76387000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear":{"label":"Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year","description":"Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in remainder of current fiscal year.","units":{"USD":[{"end":"2017-04-30","val":2531000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":1590000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":801000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-04-30","val":1971000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":1314000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":657000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-04-30","val":59363000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":39426000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":19902000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-04-30","val":58265000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":38589000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":19205000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-04-30","val":52588000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":39245000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"FiniteLivedIntangibleAssetsAmortizationExpenseYearFive":{"label":"Finite-Lived Intangible Asset, Expected Amortization, Year Five","description":"Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2017-04-30","val":58000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":58000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":464000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":81000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017Q4I"},{"end":"2019-01-31","val":66160000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2018Q4I"},{"end":"2019-04-30","val":66160000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":66160000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":67328000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":66160000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2019Q4I"},{"end":"2020-04-30","val":66160000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2021-01-31","val":66875000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"}]}},"FiniteLivedIntangibleAssetsAmortizationExpenseYearFour":{"label":"Finite-Lived Intangible Asset, Expected Amortization, Year Four","description":"Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2017-04-30","val":347000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":347000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":944000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":464000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017Q4I"},{"end":"2018-04-30","val":464000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":464000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":464000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":66241000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2018Q4I"},{"end":"2019-04-30","val":66241000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":66241000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":67445000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":66211000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2019Q4I"},{"end":"2020-04-30","val":66211000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":66160000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":67286000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":67286000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"},{"end":"2021-04-30","val":66875000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":74927000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"FiniteLivedIntangibleAssetsAmortizationExpenseYearThree":{"label":"Finite-Lived Intangible Asset, Expected Amortization, Year Three","description":"Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2017-04-30","val":1140000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":1140000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":1737000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":944000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017Q4I"},{"end":"2018-04-30","val":944000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":944000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":944000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":66624000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2018Q4I"},{"end":"2019-04-30","val":66624000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":66624000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":67828000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":66722000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2019Q4I"},{"end":"2020-04-30","val":66722000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":66211000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":67376000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":67376000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"},{"end":"2021-04-30","val":67286000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":75786000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo":{"label":"Finite-Lived Intangible Asset, Expected Amortization, Year Two","description":"Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2017-04-30","val":2031000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":2031000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":2628000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":1738000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017Q4I"},{"end":"2018-04-30","val":1737000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":1737000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":1737000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":75492000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2018Q4I"},{"end":"2019-04-30","val":75491000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":75491000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":76696000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":69074000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2019Q4I"},{"end":"2020-04-30","val":69074000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":66722000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":67887000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":67887000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"},{"end":"2021-04-30","val":67376000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":75876000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"FiniteLivedIntangibleAssetsGross":{"label":"Finite-Lived Intangible Assets, Gross","description":"Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.","units":{"USD":[{"end":"2017-01-31","val":16280000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":16280000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":16280000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":16280000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":16280000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":16280000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":18783000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":18783000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":18783000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-01-31","val":18783000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":18783000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2018-01-31","val":18783000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2018-04-30","val":18783000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":18783000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":18783000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":701383000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":701383000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":701383000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":701383000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":701383000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":701383000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":701383000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":707317000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":707317000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":707317000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":707317000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":707317000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":707317000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":707317000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":707317000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":713017000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":713017000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":713017000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":713017000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":677496000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":717561000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"FiniteLivedIntangibleAssetsNet":{"label":"Finite-Lived Intangible Assets, Net","description":"Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.","units":{"USD":[{"end":"2017-01-31","val":7051000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":7051000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":7051000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":7051000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":6107000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":5166000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":6655000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":5855000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":5855000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-01-31","val":5855000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":5855000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2018-01-31","val":5855000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2018-04-30","val":5198000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":4540000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":3884000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":679326000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":679326000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":679326000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":679326000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":679326000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":659166000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":639229000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":625137000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":605236000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":605236000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":605236000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":605236000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":605236000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":585560000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":565884000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":551835000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":532630000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":532630000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":532630000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":514979000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":537995000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"GainLossOnSaleOfPropertyPlantEquipment":{"label":"Gain (Loss) on Disposition of Property Plant Equipment","description":"Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":-3000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-10-31","val":0,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-02-01","end":"2017-01-31","val":0,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":0,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":0,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":0,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-02-01","end":"2017-10-31","val":111000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":111000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-02-01","end":"2018-01-31","val":111000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":111000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":111000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":20000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"start":"2018-02-01","end":"2018-04-30","val":20000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":20000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-07-31","val":20000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-02-01","end":"2018-10-31","val":22000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2018-10-31","val":22000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-02-01","end":"2019-01-31","val":25000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":25000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":-415000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":-459000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-10-31","val":-459000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2020-01-31","val":-414000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2019"}]}},"GeneralAndAdministrativeExpense":{"label":"General and Administrative Expense","description":"The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":34902000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-04-30","val":8309000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":16676000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-05-01","end":"2016-07-31","val":8367000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2016Q2"},{"start":"2016-02-01","end":"2016-10-31","val":25309000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-08-01","end":"2016-10-31","val":8633000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2016Q3"},{"start":"2016-02-01","end":"2017-01-31","val":55907000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":55907000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":35550000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2017-02-01","end":"2017-04-30","val":35550000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":54114000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-07-31","val":54114000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-05-01","end":"2017-07-31","val":18564000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-05-01","end":"2017-07-31","val":18564000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2017Q2"},{"start":"2017-02-01","end":"2017-10-31","val":69991000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":69991000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-08-01","end":"2017-10-31","val":15877000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-08-01","end":"2017-10-31","val":15877000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2017Q3"},{"start":"2017-02-01","end":"2018-01-31","val":85539000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":85539000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":85539000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":16336000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"start":"2018-02-01","end":"2018-04-30","val":16336000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":33426000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-07-31","val":33426000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-05-01","end":"2018-07-31","val":17090000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-05-01","end":"2018-07-31","val":17090000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2018Q2"},{"start":"2018-02-01","end":"2018-10-31","val":55493000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2018-10-31","val":55493000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":22067000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":22067000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2018Q3"},{"start":"2018-02-01","end":"2019-01-31","val":110613000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":110613000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":110613000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":46432000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":46432000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":96877000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":96877000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":50445000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":50445000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2019Q2"},{"start":"2019-02-01","end":"2019-10-31","val":135568000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":135568000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-08-01","end":"2019-10-31","val":38691000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-08-01","end":"2019-10-31","val":38691000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2019Q3"},{"start":"2019-02-01","end":"2020-01-31","val":170336000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":170336000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":34675000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":34675000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":67842000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":67842000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-05-01","end":"2020-07-31","val":33167000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-05-01","end":"2020-07-31","val":33167000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q2"},{"start":"2020-02-01","end":"2020-10-31","val":101765000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-08-01","end":"2020-10-31","val":33923000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3"},{"start":"2020-02-01","end":"2021-01-31","val":171327000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":41264000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":84159000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2021-05-01","end":"2021-07-31","val":42895000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2"}]}},"Goodwill":{"label":"Goodwill","description":"Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.","units":{"USD":[{"end":"2016-01-31","val":30551000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015Q4I"},{"end":"2017-01-31","val":31516000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":31516000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":31516000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":31516000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2017-01-31","val":31516000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016Q4I"},{"end":"2017-04-30","val":31516000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":31516000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":33621000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":33621000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":33621000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-01-31","val":33621000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":33621000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2018-01-31","val":33621000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2018-01-31","val":33621000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017Q4I"},{"end":"2018-04-30","val":33621000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":33621000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":33621000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":586456000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":586456000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":586456000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":586456000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":586456000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2019-01-31","val":586456000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018Q4I"},{"end":"2019-04-30","val":587336000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":588742000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":590361000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":590361000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":590361000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":590361000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":590361000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":590361000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":590361000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":590361000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":599291000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":599291000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":599291000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":599291000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":599291000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":620724000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"GoodwillAcquiredDuringPeriod":{"label":"Goodwill, Acquired During Period","description":"Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.","units":{"USD":[{"start":"2016-02-01","end":"2017-01-31","val":965000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016"},{"start":"2017-02-01","end":"2018-01-31","val":2105000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":2105000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017"},{"start":"2018-02-01","end":"2019-01-31","val":552835000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":552800000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2018-02-01","end":"2019-01-31","val":552800000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-02-01","end":"2019-01-31","val":552800000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-02-01","end":"2019-01-31","val":552835000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018"},{"start":"2020-02-01","end":"2020-10-31","val":8930000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-02-01","end":"2021-01-31","val":8930000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-07-31","val":21433000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"}]}},"GoodwillImpairmentLoss":{"label":"Goodwill, Impairment Loss","description":"Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":0,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2017-01-31","val":0,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":0,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2018-01-31","val":0,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":0,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":0,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2019-01-31","val":0,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":0,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":0,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2020-01-31","val":0,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":0,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2021-01-31","val":0,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"}]}},"GoodwillOtherIncreaseDecrease":{"label":"Goodwill, Other Increase (Decrease)","description":"Amount of increase (decrease), classified as other, of an asset representing the future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.","units":{"USD":[{"start":"2019-02-01","end":"2020-01-31","val":3905000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":3905000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"}]}},"GrossProfit":{"label":"Gross Profit","description":"Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":90685000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-04-30","val":35450000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2016-02-01","end":"2016-04-30","val":35450000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":78567000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-05-01","end":"2016-07-31","val":43117000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-05-01","end":"2016-07-31","val":43117000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q2"},{"start":"2016-02-01","end":"2016-10-31","val":123386000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-08-01","end":"2016-10-31","val":44819000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-08-01","end":"2016-10-31","val":44819000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q3"},{"start":"2016-02-01","end":"2017-01-31","val":174038000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":185555000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2016-11-01","end":"2017-01-31","val":50652000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4"},{"start":"2017-02-01","end":"2017-04-30","val":19484000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2017-02-01","end":"2017-04-30","val":19484000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2017-04-30","val":19484000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"start":"2017-02-01","end":"2017-04-30","val":20513000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":77342000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-07-31","val":77342000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-05-01","end":"2017-07-31","val":57858000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-05-01","end":"2017-07-31","val":57858000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-05-01","end":"2017-07-31","val":57858000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-05-01","end":"2017-07-31","val":57242000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q2"},{"start":"2017-02-01","end":"2017-10-31","val":138785000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":138785000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-08-01","end":"2017-10-31","val":61443000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-08-01","end":"2017-10-31","val":61443000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-08-01","end":"2017-10-31","val":61443000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-08-01","end":"2017-10-31","val":63595000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q3"},{"start":"2017-02-01","end":"2018-01-31","val":209408000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":214258000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":214258000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2017-11-01","end":"2018-01-31","val":70623000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-11-01","end":"2018-01-31","val":72908000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4"},{"start":"2018-02-01","end":"2018-04-30","val":69356000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"start":"2018-02-01","end":"2018-04-30","val":70108000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2018-04-30","val":70108000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2018-02-01","end":"2018-04-30","val":70108000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":147562000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-07-31","val":150955000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-05-01","end":"2018-07-31","val":78206000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-05-01","end":"2018-07-31","val":80847000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-05-01","end":"2018-07-31","val":80847000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-05-01","end":"2018-07-31","val":80847000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q2"},{"start":"2018-02-01","end":"2018-10-31","val":235769000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2018-10-31","val":239967000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":88207000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":89012000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-08-01","end":"2018-10-31","val":89012000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":89012000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q3"},{"start":"2018-02-01","end":"2019-01-31","val":343827000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":343827000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":343827000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2018-11-01","end":"2019-01-31","val":103860000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-11-01","end":"2019-01-31","val":103860000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4"},{"start":"2019-02-01","end":"2019-04-30","val":126235000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":126235000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2019-04-30","val":126235000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":265816000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":265816000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":139581000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":139581000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-05-01","end":"2019-07-31","val":139581000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2019Q2"},{"start":"2019-02-01","end":"2019-10-31","val":406480000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":406480000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-08-01","end":"2019-10-31","val":140664000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-08-01","end":"2019-10-31","val":140664000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-08-01","end":"2019-10-31","val":140664000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2019Q3"},{"start":"2019-02-01","end":"2020-01-31","val":561689000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":561689000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2019-11-01","end":"2020-01-31","val":155209000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2019Q4"},{"start":"2020-02-01","end":"2020-04-30","val":156219000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":156219000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":320916000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":320916000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-05-01","end":"2020-07-31","val":164697000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-05-01","end":"2020-07-31","val":164697000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q2"},{"start":"2020-02-01","end":"2020-10-31","val":496768000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-08-01","end":"2020-10-31","val":175852000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3"},{"start":"2020-02-01","end":"2021-01-31","val":680070000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":181165000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":372249000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2021-05-01","end":"2021-07-31","val":191084000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2"}]}},"ImpairmentOfIntangibleAssetsExcludingGoodwill":{"label":"Impairment of Intangible Assets (Excluding Goodwill)","description":"The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":0,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2017-01-31","val":0,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":0,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2018-01-31","val":0,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":0,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":0,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2019-01-31","val":0,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":0,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":0,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2020-01-31","val":0,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":0,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2021-01-31","val":0,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"}]}},"ImpairmentOfLongLivedAssetsToBeDisposedOf":{"label":"Impairment of Long-Lived Assets to be Disposed of","description":"The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.","units":{"USD":[{"start":"2020-02-01","end":"2021-01-31","val":1800000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"}]}},"IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic":{"label":"Income (Loss) from Continuing Operations before Income Taxes, Domestic","description":"The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":-204713000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2017-01-31","val":-187905000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":-158973000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2018-01-31","val":-388587000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":-372466000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":-372466000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2019-01-31","val":-191479000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":-191479000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":-191479000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2020-01-31","val":-340542000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":-340542000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2021-01-31","val":-168327000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"}]}},"IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest":{"label":"Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest","description":"Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":-202033000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-04-30","val":-42613000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":-80870000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-05-01","end":"2016-07-31","val":-38257000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2016Q2"},{"start":"2016-02-01","end":"2016-10-31","val":-124459000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-08-01","end":"2016-10-31","val":-43589000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2016Q3"},{"start":"2016-02-01","end":"2017-01-31","val":-185130000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":-156198000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":-221669000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2017-02-01","end":"2017-04-30","val":-221669000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":-285097000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-07-31","val":-285097000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-05-01","end":"2017-07-31","val":-63428000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-05-01","end":"2017-07-31","val":-63428000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2017Q2"},{"start":"2017-02-01","end":"2017-10-31","val":-340676000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":-340676000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-08-01","end":"2017-10-31","val":-55579000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-08-01","end":"2017-10-31","val":-55579000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2017Q3"},{"start":"2017-02-01","end":"2018-01-31","val":-383714000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":-367593000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":-367593000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":-49735000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"start":"2018-02-01","end":"2018-04-30","val":-51016000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":-82319000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-07-31","val":-79174000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-05-01","end":"2018-07-31","val":-32584000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-05-01","end":"2018-07-31","val":-28158000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2018Q2"},{"start":"2018-02-01","end":"2018-10-31","val":-107355000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2018-10-31","val":-103533000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":-25036000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":-24359000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2018Q3"},{"start":"2018-02-01","end":"2019-01-31","val":-187231000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":-187231000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":-187231000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":-100229000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":-100229000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":-186066000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":-186066000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":-85837000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":-85837000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2019Q2"},{"start":"2019-02-01","end":"2019-10-31","val":-265823000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":-265823000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-08-01","end":"2019-10-31","val":-79757000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-08-01","end":"2019-10-31","val":-79757000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2019Q3"},{"start":"2019-02-01","end":"2020-01-31","val":-327882000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":-327882000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":-56063000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":-56063000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":-90173000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":-90173000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-05-01","end":"2020-07-31","val":-34110000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-05-01","end":"2020-07-31","val":-34110000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q2"},{"start":"2020-02-01","end":"2020-10-31","val":-102699000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-08-01","end":"2020-10-31","val":-12526000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3"},{"start":"2020-02-01","end":"2021-01-31","val":-155388000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":-37935000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":-74383000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2021-05-01","end":"2021-07-31","val":-36448000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2"}]}},"IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign":{"label":"Income (Loss) from Continuing Operations before Income Taxes, Foreign","description":"The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":2680000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2017-01-31","val":2775000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":2775000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2018-01-31","val":4873000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":4873000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":4873000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2019-01-31","val":4248000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":4248000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":4248000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2020-01-31","val":12660000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":12660000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2021-01-31","val":12939000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"}]}},"IncomeTaxExpenseBenefit":{"label":"Income Tax Expense (Benefit)","description":"Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":1110000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-04-30","val":500000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":970000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-05-01","end":"2016-07-31","val":470000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2016Q2"},{"start":"2016-02-01","end":"2016-10-31","val":1426000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-08-01","end":"2016-10-31","val":456000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2016Q3"},{"start":"2016-02-01","end":"2017-01-31","val":2187000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":2187000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":650000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2017-02-01","end":"2017-04-30","val":650000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":1451000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-07-31","val":1451000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-05-01","end":"2017-07-31","val":801000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-05-01","end":"2017-07-31","val":801000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2017Q2"},{"start":"2017-02-01","end":"2017-10-31","val":1210000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":1210000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-08-01","end":"2017-10-31","val":-241000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-08-01","end":"2017-10-31","val":-241000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2017Q3"},{"start":"2017-02-01","end":"2018-01-31","val":2079000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":2079000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":2079000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":1306000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"start":"2018-02-01","end":"2018-04-30","val":1306000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":2097000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-07-31","val":2097000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-05-01","end":"2018-07-31","val":791000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-05-01","end":"2018-07-31","val":791000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2018Q2"},{"start":"2018-02-01","end":"2018-10-31","val":3595000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2018-10-31","val":3595000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":1498000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":1498000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2018Q3"},{"start":"2018-02-01","end":"2019-01-31","val":5418000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":5418000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":5418000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":2901000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":2901000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":4107000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":4107000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":1206000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":1206000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2019Q2"},{"start":"2019-02-01","end":"2019-10-31","val":6472000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":6472000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-08-01","end":"2019-10-31","val":2365000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-08-01","end":"2019-10-31","val":2365000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2019Q3"},{"start":"2019-02-01","end":"2020-01-31","val":8700000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":8700000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":1951000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":1951000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":3838000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":3838000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-05-01","end":"2020-07-31","val":1887000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-05-01","end":"2020-07-31","val":1887000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q2"},{"start":"2020-02-01","end":"2020-10-31","val":5257000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-08-01","end":"2020-10-31","val":1419000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3"},{"start":"2020-02-01","end":"2021-01-31","val":7346000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":2466000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":-777000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2021-05-01","end":"2021-07-31","val":-3243000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2"}]}},"IncomeTaxesPaidNet":{"label":"Income Taxes Paid, Net","description":"The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":1131000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-04-30","val":397000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":654000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-02-01","end":"2016-10-31","val":1031000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-02-01","end":"2017-01-31","val":1689000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":1689000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":629000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2017-02-01","end":"2017-04-30","val":629000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":1352000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-07-31","val":1352000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-02-01","end":"2017-10-31","val":1840000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":1840000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-02-01","end":"2018-01-31","val":2694000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":2694000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":2694000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":1161000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"start":"2018-02-01","end":"2018-04-30","val":1161000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":1898000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-07-31","val":1898000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-02-01","end":"2018-10-31","val":3069000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2018-10-31","val":3069000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-02-01","end":"2019-01-31","val":4775000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":4775000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":4775000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":1882000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":3645000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-10-31","val":5607000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2020-01-31","val":7760000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":7760000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2021-01-31","val":9562000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"}]}},"IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance":{"label":"Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount","description":"Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":60318000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2017-01-31","val":54823000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":44987000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2018-01-31","val":2543000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":-2907000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":-2907000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2019-01-31","val":42450000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":42450000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":42450000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2020-01-31","val":-8566000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":-8566000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2021-01-31","val":50529000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"}]}},"IncomeTaxReconciliationChangeInEnactedTaxRate":{"label":"Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount","description":"Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations, attributable to increase (decrease) in the income tax rates.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":0,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2017-01-31","val":0,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":0,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2018-01-31","val":132387000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":132387000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":132387000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2019-01-31","val":0,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":0,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018"},{"start":"2019-02-01","end":"2020-01-31","val":0,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2019"}]}},"IncomeTaxReconciliationForeignIncomeTaxRateDifferential":{"label":"Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount","description":"Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign income tax expense (benefit).","units":{"USD":[{"start":"2016-02-01","end":"2017-01-31","val":0,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2018-01-31","val":0,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":0,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2019-01-31","val":4945000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":4945000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":4945000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2020-01-31","val":6384000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":6384000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2021-01-31","val":5507000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"}]}},"IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate":{"label":"Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount","description":"The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":-68691000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2017-01-31","val":-62944000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":-53108000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2018-01-31","val":-129737000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":-124287000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":-124287000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2019-01-31","val":-39318000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":-39318000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":-39318000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2020-01-31","val":-68856000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":-68856000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2021-01-31","val":-32631000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"}]}},"IncomeTaxReconciliationNondeductibleExpenseCharitableContributions":{"label":"Effective Income Tax Rate Reconciliation, Nondeductible Expense, Charitable Contributions, Amount","description":"Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible charitable contributions expense.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":0,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2017-01-31","val":7335000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":7335000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2018-01-31","val":0,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":0,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017"},{"start":"2018-02-01","end":"2019-01-31","val":0,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2018"}]}},"IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost":{"label":"Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Amount","description":"Amount of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to nondeductible expense for award under share-based payment arrangement. Includes, but is not limited to, expense determined to be nondeductible upon grant or after for award under share-based payment arrangement.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":11060000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2017-01-31","val":4340000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":4340000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2018-01-31","val":5124000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":5124000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":5124000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2019-01-31","val":3004000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":3004000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":3004000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2020-01-31","val":6395000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":6395000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2021-01-31","val":-11486000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"}]}},"IncomeTaxReconciliationOtherAdjustments":{"label":"Effective Income Tax Rate Reconciliation, Other Adjustments, Amount","description":"Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":28000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2017-01-31","val":868000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":868000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2018-01-31","val":-262000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":-262000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":-262000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2019-01-31","val":381000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":381000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":381000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2020-01-31","val":2196000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":2196000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2021-01-31","val":-166000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"}]}},"IncomeTaxReconciliationTaxCreditsResearch":{"label":"Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount","description":"Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to research tax credit.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":1605000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2017-01-31","val":2235000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":2235000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2018-01-31","val":7976000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":7976000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":7976000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2019-01-31","val":10044000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":10044000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":10044000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2020-01-31","val":6120000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":6120000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2021-01-31","val":5066000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"}]}},"IncreaseDecreaseInAccountsPayable":{"label":"Increase (Decrease) in Accounts Payable","description":"The increase (decrease) during the reporting period in the aggregate amount of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":1455000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-04-30","val":-972000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":1872000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-02-01","end":"2016-10-31","val":910000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-02-01","end":"2017-01-31","val":-281000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":-281000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":-1921000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2017-02-01","end":"2017-04-30","val":-1921000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":1674000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-07-31","val":1674000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-02-01","end":"2017-10-31","val":-2326000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":-2326000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-02-01","end":"2018-01-31","val":-667000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":-667000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":-667000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":-121000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"start":"2018-02-01","end":"2018-04-30","val":-121000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":583000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-07-31","val":583000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-02-01","end":"2018-10-31","val":561000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2018-10-31","val":561000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-02-01","end":"2019-01-31","val":3795000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":3795000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":3795000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":-2605000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":-2605000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":-3661000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":-3661000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-02-01","end":"2019-10-31","val":4193000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":4193000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-02-01","end":"2020-01-31","val":-4089000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":-4089000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":307000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":307000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":-830000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":-830000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-02-01","end":"2020-10-31","val":-2098000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-02-01","end":"2021-01-31","val":-2816000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":-891000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":-247000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"}]}},"IncreaseDecreaseInAccountsReceivable":{"label":"Increase (Decrease) in Accounts Receivable","description":"The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":19015000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-04-30","val":-15863000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":-4011000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-02-01","end":"2016-10-31","val":-1856000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-02-01","end":"2017-01-31","val":52139000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":56730000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":-48527000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2017-02-01","end":"2017-04-30","val":-48527000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":-16744000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-07-31","val":-16744000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-02-01","end":"2017-10-31","val":-35536000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":-35536000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-02-01","end":"2018-01-31","val":28788000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":28780000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":28780000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":-66013000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"start":"2018-02-01","end":"2018-04-30","val":-65840000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":-34366000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-07-31","val":-34188000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-02-01","end":"2018-10-31","val":-38310000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2018-10-31","val":-38161000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-02-01","end":"2019-01-31","val":-54231000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":-54231000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":-54231000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":-95496000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":-95496000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":-80660000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":-80660000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-02-01","end":"2019-10-31","val":-78952000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":-78952000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-02-01","end":"2020-01-31","val":8956000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":8956000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":-81828000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":-81828000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":-100340000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":-100340000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-02-01","end":"2020-10-31","val":-76067000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-02-01","end":"2021-01-31","val":65061000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":-185514000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":-138654000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"}]}},"IncreaseDecreaseInAccruedLiabilities":{"label":"Increase (Decrease) in Accrued Liabilities","description":"The increase (decrease) during the reporting period in the aggregate amount of expenses incurred but not yet paid.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":4757000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-04-30","val":855000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":1006000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-02-01","end":"2016-10-31","val":3498000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-02-01","end":"2017-01-31","val":-284000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":1142000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2017-02-01","end":"2017-04-30","val":1142000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":2970000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-07-31","val":2970000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-02-01","end":"2017-10-31","val":9442000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":9442000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-02-01","end":"2018-01-31","val":8105000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":7664000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":1054000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"start":"2018-02-01","end":"2018-04-30","val":821000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":3999000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-07-31","val":3613000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-02-01","end":"2018-10-31","val":4102000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2018-10-31","val":4210000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-02-01","end":"2019-01-31","val":5413000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":5413000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":5413000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":-28000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":-28000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":-16345000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":8689000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-02-01","end":"2019-10-31","val":-22994000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":4904000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-02-01","end":"2020-01-31","val":109000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":109000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":-2895000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":-2895000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":-4279000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":-4279000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-02-01","end":"2020-10-31","val":-3447000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-02-01","end":"2021-01-31","val":1187000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":1764000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":-6723000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"}]}},"IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities":{"label":"Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities","description":"Amount of increase (decrease) in accrued expenses, and obligations classified as other.","units":{"USD":[{"start":"2016-02-01","end":"2017-01-31","val":15000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2018-01-31","val":7664000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":821000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":3613000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-02-01","end":"2018-10-31","val":4210000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"}]}},"IncreaseDecreaseInContractWithCustomerAsset":{"label":"Increase (Decrease) in Contract with Customer, Asset","description":"Amount of increase (decrease) in right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.","units":{"USD":[{"start":"2016-02-01","end":"2017-01-31","val":-2199000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2018-01-31","val":285000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":285000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":-2845000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":-2850000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-02-01","end":"2018-10-31","val":-2821000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-02-01","end":"2019-01-31","val":1891000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":1891000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":531000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":745000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-10-31","val":698000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2020-01-31","val":-176000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2019"}]}},"IncreaseDecreaseInContractWithCustomerLiability":{"label":"Increase (Decrease) in Contract with Customer, Liability","description":"Amount of increase (decrease) in obligation to transfer good or service to customer for which consideration has been received or is receivable.","units":{"USD":[{"start":"2017-02-01","end":"2017-07-31","val":13697000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-02-01","end":"2017-10-31","val":14527000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2018-07-31","val":-7276000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-10-31","val":-14118000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2019-01-31","val":42508000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2020-01-31","val":31214000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":-39311000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":-71123000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-02-01","end":"2021-01-31","val":50141000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":-59202000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":-89002000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"}]}},"IncreaseDecreaseInDeferredCharges":{"label":"Increase (Decrease) in Deferred Charges","description":"The increase (decrease) during the reporting period in the value of expenditures made during the current reporting period for benefits that will be received over a period of years. Deferred charges differ from prepaid expenses in that they usually extend over a long period of time and may or may not be regularly recurring costs of operation.","units":{"USD":[{"start":"2016-02-01","end":"2017-01-31","val":34917000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2018-01-31","val":34557000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":34557000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":4530000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":13554000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-02-01","end":"2018-10-31","val":21419000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-02-01","end":"2019-01-31","val":39665000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":39665000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":39665000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":9412000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":9412000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":21807000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":21807000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-02-01","end":"2019-10-31","val":37200000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":37200000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-02-01","end":"2020-01-31","val":68575000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":68575000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":10623000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":10623000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":22290000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":22290000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-02-01","end":"2020-10-31","val":36001000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-02-01","end":"2021-01-31","val":60916000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":8763000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":22176000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"}]}},"IncreaseDecreaseInDeferredRevenue":{"label":"Increase (Decrease) in Deferred Revenue","description":"Amount of increase (decrease) in deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":42086000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-04-30","val":3081000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":8604000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-02-01","end":"2016-10-31","val":3847000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-02-01","end":"2017-01-31","val":59249000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":-4428000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2017-02-01","end":"2017-04-30","val":-4428000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":13697000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-10-31","val":14527000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2018-01-31","val":74187000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":-12835000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1"}]}},"IncreaseDecreaseInEmployeeRelatedLiabilities":{"label":"Increase (Decrease) in Employee Related Liabilities","description":"The increase (decrease) during the reporting period in the aggregate amount of obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":9374000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-04-30","val":-9437000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":-3128000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-02-01","end":"2016-10-31","val":4328000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-02-01","end":"2017-01-31","val":11222000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":11222000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":-12667000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2017-02-01","end":"2017-04-30","val":-12667000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":-4983000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-07-31","val":-4983000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-02-01","end":"2017-10-31","val":-1231000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":-1231000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-02-01","end":"2018-01-31","val":5179000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":5179000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":5179000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":-14627000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"start":"2018-02-01","end":"2018-04-30","val":-14627000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":-9437000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-07-31","val":-9437000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-02-01","end":"2018-10-31","val":-7034000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2018-10-31","val":-7034000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-02-01","end":"2019-01-31","val":-17962000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":-17962000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":-17962000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":-12530000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":-12530000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":-6090000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":-6090000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-02-01","end":"2019-10-31","val":-2323000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":-2323000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-02-01","end":"2020-01-31","val":5570000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":5570000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":-18412000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":-18412000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":-6646000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":-6646000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-02-01","end":"2020-10-31","val":-10225000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-02-01","end":"2021-01-31","val":-6140000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":-8568000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":2757000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"}]}},"IncreaseDecreaseInOperatingLeaseLiability":{"label":null,"description":null,"units":{"USD":[{"start":"2020-02-01","end":"2020-07-31","val":-21206000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2021-02-01","end":"2021-07-31","val":-16893000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"}]}},"IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets":{"label":"Increase (Decrease) in Prepaid Expense and Other Assets","description":"Amount of increase (decrease) in prepaid expenses, and assets classified as other.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":1795000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-04-30","val":-1319000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":784000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-02-01","end":"2016-10-31","val":-378000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-02-01","end":"2017-01-31","val":3300000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":3300000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":-1379000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2017-02-01","end":"2017-04-30","val":-1379000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":-639000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-07-31","val":-639000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-02-01","end":"2017-10-31","val":5459000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":5459000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-02-01","end":"2018-01-31","val":16194000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":16194000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":16194000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":-8167000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"start":"2018-02-01","end":"2018-04-30","val":-8167000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":-12297000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-07-31","val":-12297000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-02-01","end":"2018-10-31","val":-8348000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2018-10-31","val":-8348000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-02-01","end":"2019-01-31","val":-16497000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":-16497000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":-14606000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":-9000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":522000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":3213000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":3958000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-02-01","end":"2019-10-31","val":3056000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":3754000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-02-01","end":"2020-01-31","val":8456000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":8280000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":-10526000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":-10526000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":-14628000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":-14628000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-02-01","end":"2020-10-31","val":-14508000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-02-01","end":"2021-01-31","val":-12151000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":3777000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":-2565000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"}]}},"IntangibleAssetsNetExcludingGoodwill":{"label":"Intangible Assets, Net (Excluding Goodwill)","description":"Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.","units":{"USD":[{"end":"2017-01-31","val":7051000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":7051000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":7051000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":7051000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":6107000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":5166000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":6655000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":5855000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":5855000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-01-31","val":5855000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":5855000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2018-01-31","val":5855000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2018-04-30","val":5198000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":4540000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":3884000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":679326000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":679326000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":679326000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":679326000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":679326000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":659166000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":639229000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":625137000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":605236000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":605236000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":605236000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":605236000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":605236000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":585560000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":565884000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":551835000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":532630000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":532630000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":532630000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":514979000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":537995000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"InterestIncomeExpenseNet":{"label":"Interest Income (Expense), Net","description":"The net amount of operating interest income (expense).","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":2218000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-04-30","val":740000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":1448000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-05-01","end":"2016-07-31","val":708000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2016Q2"},{"start":"2016-02-01","end":"2016-10-31","val":2143000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-08-01","end":"2016-10-31","val":695000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2016Q3"},{"start":"2016-02-01","end":"2017-01-31","val":2756000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":2431000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":649000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2017-02-01","end":"2017-04-30","val":649000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":2089000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-07-31","val":2089000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-05-01","end":"2017-07-31","val":1440000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-05-01","end":"2017-07-31","val":1440000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2017Q2"},{"start":"2017-02-01","end":"2017-10-31","val":3590000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":3590000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-08-01","end":"2017-10-31","val":1501000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-08-01","end":"2017-10-31","val":1501000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2017Q3"},{"start":"2017-02-01","end":"2018-01-31","val":5150000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":5150000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":5150000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":1807000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"start":"2018-02-01","end":"2018-04-30","val":1807000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":3980000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-07-31","val":3980000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-05-01","end":"2018-07-31","val":2173000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-05-01","end":"2018-07-31","val":2173000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2018Q2"},{"start":"2018-02-01","end":"2018-10-31","val":6420000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2018-10-31","val":6420000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":2440000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":2440000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2018Q3"},{"start":"2018-02-01","end":"2019-01-31","val":9011000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":9011000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":9011000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":3291000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":3291000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":6447000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":6447000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":3156000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":3156000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2019Q2"},{"start":"2019-02-01","end":"2019-10-31","val":9203000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":9203000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-08-01","end":"2019-10-31","val":2756000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-08-01","end":"2019-10-31","val":2756000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2019Q3"},{"start":"2019-02-01","end":"2020-01-31","val":11687000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":11687000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":2241000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":2241000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":3685000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":3685000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-05-01","end":"2020-07-31","val":1444000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-05-01","end":"2020-07-31","val":1444000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q2"},{"start":"2020-02-01","end":"2020-10-31","val":4886000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-08-01","end":"2020-10-31","val":1201000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3"},{"start":"2020-02-01","end":"2021-01-31","val":3994000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":-3483000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":-7104000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2021-05-01","end":"2021-07-31","val":-3621000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2"}]}},"InvestmentsAndCash":{"label":"Investments and Cash","description":"Sum of investments and unrestricted cash as of the balance sheet date.","units":{"USD":[{"end":"2017-01-31","val":240298000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":240298000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":240298000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":240298000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":235978000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":447155000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":433254000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":412003000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":412003000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-01-31","val":412003000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":412003000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2018-01-31","val":412003000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2018-04-30","val":426902000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":412039000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":414951000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":426670000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":426670000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":426670000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":426670000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":426670000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":464009000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":444066000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":421430000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":408900000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":408900000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":408900000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":408900000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":408900000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":441289000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":467623000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":493709000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":659604000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":659604000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":659604000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":809879000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":701399000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"LeaseCost":{"label":"Lease, Cost","description":"Amount of lease cost recognized by lessee for lease contract.","units":{"USD":[{"start":"2019-02-01","end":"2019-04-30","val":7931000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":7931000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":16174000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":16174000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":8243000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":8243000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2019Q2"},{"start":"2019-02-01","end":"2019-10-31","val":23880000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":23880000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-08-01","end":"2019-10-31","val":7706000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-08-01","end":"2019-10-31","val":7706000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2019Q3"},{"start":"2019-02-01","end":"2020-01-31","val":32186000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":32186000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":7858000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":7858000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":16124000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":16124000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-05-01","end":"2020-07-31","val":8266000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-05-01","end":"2020-07-31","val":8266000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q2"},{"start":"2020-02-01","end":"2020-10-31","val":24491000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-08-01","end":"2020-10-31","val":8367000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3"},{"start":"2020-02-01","end":"2021-01-31","val":32799000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":7799000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":15021000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2021-05-01","end":"2021-07-31","val":7222000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2"}]}},"LesseeOperatingLeaseLiabilityPaymentsDue":{"label":"Lessee, Operating Lease, Liability, to be Paid","description":"Amount of lessee's undiscounted obligation for lease payment for operating lease.","units":{"USD":[{"end":"2019-04-30","val":297763000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":282675000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":279509000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":261074000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2019Q4I"},{"end":"2020-04-30","val":269423000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":250922000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":250137000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":229569000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"},{"end":"2021-04-30","val":218610000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":212994000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive":{"label":"Lessee, Operating Lease, Liability, to be Paid, after Year Five","description":"Amount of lessee's undiscounted obligation for lease payment for operating lease due after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2019-04-30","val":117302000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":117284000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":117293000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":83646000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2019Q4I"},{"end":"2020-04-30","val":83612000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2021-01-31","val":55243000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"}]}},"LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths":{"label":"Lessee, Operating Lease, Liability, to be Paid, Year One","description":"Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2020-01-31","val":30038000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2019Q4I"},{"end":"2020-07-31","val":41195000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":42090000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":28355000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"},{"end":"2021-04-30","val":38599000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":38830000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"LesseeOperatingLeaseLiabilityPaymentsDueYearFive":{"label":"Lessee, Operating Lease, Liability, to be Paid, Year Five","description":"Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2019-04-30","val":35717000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":35714000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":35906000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":35617000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2019Q4I"},{"end":"2020-04-30","val":35611000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2021-01-31","val":33317000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"}]}},"LesseeOperatingLeaseLiabilityPaymentsDueYearFour":{"label":"Lessee, Operating Lease, Liability, to be Paid, Year Four","description":"Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2019-04-30","val":35224000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":35067000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":35291000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":36453000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2019Q4I"},{"end":"2020-04-30","val":36447000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":36821000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":36921000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":36997000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"},{"end":"2021-04-30","val":32883000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":32890000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"LesseeOperatingLeaseLiabilityPaymentsDueYearThree":{"label":"Lessee, Operating Lease, Liability, to be Paid, Year Three","description":"Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2019-04-30","val":39347000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":38823000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":39027000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":35823000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2019Q4I"},{"end":"2020-04-30","val":36040000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":37657000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":37764000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":37846000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"},{"end":"2021-04-30","val":36679000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":36853000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"LesseeOperatingLeaseLiabilityPaymentsDueYearTwo":{"label":"Lessee, Operating Lease, Liability, to be Paid, Year Two","description":"Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2019-04-30","val":43930000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":43592000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":43825000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":39497000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2019Q4I"},{"end":"2020-04-30","val":39985000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":37250000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":37914000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":37811000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"},{"end":"2021-04-30","val":38054000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":38304000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear":{"label":"Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year","description":"Amount of lessee's undiscounted obligation for lease payment for operating lease having initial or remaining lease term in excess of one year to be paid in remainder of current fiscal year.","units":{"USD":[{"end":"2019-04-30","val":26243000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":12195000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":8167000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-04-30","val":37728000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":10215000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":7176000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-04-30","val":19572000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":13363000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"LesseeOperatingLeaseLiabilityUndiscountedExcessAmount":{"label":"Lessee, Operating Lease, Liability, Undiscounted Excess Amount","description":"Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease.","units":{"USD":[{"end":"2019-04-30","val":54070000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":55851000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":52818000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":49569000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2019Q4I"},{"end":"2020-04-30","val":57074000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":47954000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":44471000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":40699000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"},{"end":"2021-04-30","val":36704000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":34396000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"LessorOperatingLeasePaymentsToBeReceivedRemainderOfFiscalYear":{"label":"Lessor, Operating Lease, Payment to be Received, Remainder of Fiscal Year","description":"Amount of lease payment to be received by lessor for operating lease in remainder of current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2021-04-30","val":8500000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":5800000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"LettersOfCreditOutstandingAmount":{"label":"Letters of Credit Outstanding, Amount","description":"The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.","units":{"USD":[{"end":"2017-01-31","val":16800000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":16800000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":16800000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":16800000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":16800000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":19900000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":19900000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":19700000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":19700000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-01-31","val":19700000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":19700000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2018-01-31","val":19700000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2018-04-30","val":19700000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":19500000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":19500000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":20000000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":20000000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":20000000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":20000000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":20000000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":20000000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":20000000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":19800000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":19900000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":19900000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":19900000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":19900000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":19900000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":19900000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":19700000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":19700000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":19400000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":19400000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":19400000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":19100000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":19000000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"Liabilities":{"label":"Liabilities","description":"Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future.","units":{"USD":[{"end":"2017-01-31","val":268613000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":268613000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":268613000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":268613000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":252907000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":294429000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":304423000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":366181000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":366181000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-01-31","val":366181000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":366181000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2018-01-31","val":323637000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2018-04-30","val":343593000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":351724000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":349950000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":634574000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":634574000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":634574000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":634574000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":634574000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":806884000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":780879000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":784054000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":861421000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":861421000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":861421000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":861421000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":861421000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":806515000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":774987000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":760632000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":1380671000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":1380671000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":1380671000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":1309640000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":1278598000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"LiabilitiesAndStockholdersEquity":{"label":"Liabilities and Equity","description":"Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.","units":{"USD":[{"end":"2017-01-31","val":442544000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":442544000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":442544000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":442544000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":397126000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":649817000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":634511000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":689158000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":689158000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-01-31","val":689158000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":689158000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2018-01-31","val":751811000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2018-04-30","val":643125000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":642998000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":636515000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":2196643000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":2196643000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":2196643000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":2196643000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":2196643000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":2310234000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":2256375000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":2232915000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":2299790000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":2299790000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":2299790000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":2299790000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":2299790000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":2199978000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":2203526000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":2210165000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":2508601000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":2508601000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":2508601000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":2420611000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":2390747000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"LiabilitiesCurrent":{"label":"Liabilities, Current","description":"Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer.","units":{"USD":[{"end":"2017-01-31","val":239086000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":239086000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":239086000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":239086000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":222601000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":248502000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":255734000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":314710000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":314710000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-01-31","val":314710000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":314710000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2018-01-31","val":276947000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2018-04-30","val":293173000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":301479000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":294960000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":494465000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":494465000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":494465000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":494465000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":494465000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":485633000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":481004000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":497426000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":579948000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":579948000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":579948000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":579948000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":579948000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":539594000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":519439000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":520747000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":663109000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":663109000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":663109000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":611786000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":587768000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"LicenseAndServicesRevenue":{"label":"License and Services Revenue (Deprecated 2018-01-31)","description":"Revenue from multiple-deliverable arrangements that include licensing fees and services revenue. Licensing revenue is consideration received from another party for the right to use, but not own, certain of the entity's intangible assets. Licensing arrangements include, but are not limited to, rights to use a patent, copyright, technology, manufacturing process, software or trademark. Licensing fees are generally, but not always, fixed as to amount and not dependent upon the revenue generated by the licensing party. An entity may receive licensing fees for licenses that also generate royalty payments to the entity. Services revenue may be derived by providing other, nonspecified, services during the reporting period.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":119150000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-04-30","val":40672000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":91360000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-05-01","end":"2016-07-31","val":50688000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2016Q2"},{"start":"2016-02-01","end":"2016-10-31","val":144093000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-08-01","end":"2016-10-31","val":52733000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2016Q3"},{"start":"2016-02-01","end":"2017-01-31","val":200252000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":64671000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2017-02-01","end":"2017-04-30","val":64671000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":138657000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-05-01","end":"2017-07-31","val":73986000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2"},{"start":"2017-02-01","end":"2017-10-31","val":216762000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-08-01","end":"2017-10-31","val":78105000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3"},{"start":"2017-02-01","end":"2018-01-31","val":301022000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":85899000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1"}]}},"LongTermDebtCurrent":{"label":"Long-term Debt, Current Maturities","description":"Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.","units":{"USD":[{"end":"2020-01-31","val":0,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2021-01-31","val":3610000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":3610000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":3610000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":3613000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":3616000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive":{"label":"Long-Term Debt, Maturity, after Year Five","description":"Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2021-01-31","val":475000000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"}]}},"LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths":{"label":"Long-Term Debt, Maturity, Year One","description":"Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2021-01-31","val":5000000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"},{"end":"2021-04-30","val":5000000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":5000000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive":{"label":"Long-Term Debt, Maturity, Year Five","description":"Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2021-01-31","val":5000000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"}]}},"LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour":{"label":"Long-Term Debt, Maturity, Year Four","description":"Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2021-01-31","val":5000000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"},{"end":"2021-04-30","val":5000000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":5000000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree":{"label":"Long-Term Debt, Maturity, Year Three","description":"Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2021-01-31","val":5000000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"},{"end":"2021-04-30","val":5000000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":5000000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo":{"label":"Long-Term Debt, Maturity, Year Two","description":"Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2021-01-31","val":5000000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"},{"end":"2021-04-30","val":5000000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":5000000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear":{"label":"Long-Term Debt, Maturity, Remainder of Fiscal Year","description":"Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in remainder of current fiscal year.","units":{"USD":[{"end":"2021-04-30","val":3750000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":2500000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"LongTermDebtNoncurrent":{"label":"Long-term Debt, Excluding Current Maturities","description":"Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.","units":{"USD":[{"end":"2020-01-31","val":0,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2021-01-31","val":487089000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":487089000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":487089000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":486176000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":485273000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"MarketableSecuritiesCurrent":{"label":"Marketable Securities, Current","description":"Amount of investment in marketable security, classified as current.","units":{"USD":[{"end":"2017-01-31","val":160770000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":160770000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":160770000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":160770000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":170202000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":325744000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":326717000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":327842000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":327842000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-01-31","val":327842000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":327842000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2018-01-31","val":327842000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2018-04-30","val":346833000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":325413000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":325053000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":322005000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":322005000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":322005000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":322005000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":322005000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":337283000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":331763000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":292812000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":253361000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":253361000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":253361000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":253361000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":253361000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":251025000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":288330000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":298711000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":297721000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":297721000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":297721000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":348712000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":302989000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"MarketableSecuritiesNoncurrent":{"label":"Marketable Securities, Noncurrent","description":"Amount of investment in marketable security, classified as noncurrent.","units":{"USD":[{"end":"2017-01-31","val":20710000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":20710000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":20710000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":20710000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":38117000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":81072000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":76464000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":71580000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":71580000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-01-31","val":71580000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":71580000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2018-01-31","val":71580000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2018-04-30","val":39357000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":61747000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":60237000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":56541000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":56541000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":56541000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":56541000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":56541000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":99474000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":85412000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":92867000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":122193000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":122193000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":122193000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":122193000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":122193000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":103376000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":133890000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":169324000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":173281000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":173281000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":173281000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":381326000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":355684000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"NetCashProvidedByUsedInFinancingActivities":{"label":"Net Cash Provided by (Used in) Financing Activities","description":"Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":9663000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-04-30","val":829000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":1633000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-02-01","end":"2016-10-31","val":2553000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-02-01","end":"2017-01-31","val":1538000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":1538000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":-165000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2017-02-01","end":"2017-04-30","val":-165000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":243618000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-07-31","val":243618000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-02-01","end":"2017-10-31","val":244943000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":244943000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-02-01","end":"2018-01-31","val":247322000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":247322000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":247322000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":6175000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"start":"2018-02-01","end":"2018-04-30","val":6175000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":6942000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-07-31","val":6942000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-02-01","end":"2018-10-31","val":10278000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2018-10-31","val":10278000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-02-01","end":"2019-01-31","val":5626000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":5626000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":5626000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":-1848000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":-1848000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":-6425000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":-6425000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-02-01","end":"2019-10-31","val":-1452000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":-1452000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-02-01","end":"2020-01-31","val":-6957000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":-6957000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":-35014000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":-35014000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":-15618000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":-15618000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-02-01","end":"2020-10-31","val":-17418000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-02-01","end":"2021-01-31","val":154297000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":-31762000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":-63067000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"}]}},"NetCashProvidedByUsedInInvestingActivities":{"label":"Net Cash Provided by (Used in) Investing Activities","description":"Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":-242682000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-04-30","val":36213000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":65073000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-02-01","end":"2016-10-31","val":92960000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-02-01","end":"2017-01-31","val":168586000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":168586000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":-27427000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2017-02-01","end":"2017-04-30","val":-27427000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":-228323000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-07-31","val":-228323000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-02-01","end":"2017-10-31","val":-233786000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":-233786000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-02-01","end":"2018-01-31","val":-234454000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":-234454000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":-234454000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":9012000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"start":"2018-02-01","end":"2018-04-30","val":9012000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":3158000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-07-31","val":3158000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-02-01","end":"2018-10-31","val":4007000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2018-10-31","val":4007000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-02-01","end":"2019-01-31","val":61959000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":61959000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":61959000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":-59877000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":-59877000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":-41158000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":-41158000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-02-01","end":"2019-10-31","val":-15114000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":-15114000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-02-01","end":"2020-01-31","val":-5659000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":-5659000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":20904000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":20904000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":-50117000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":-50117000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-02-01","end":"2020-10-31","val":-112871000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-02-01","end":"2021-01-31","val":-120034000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":-259834000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":-250560000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"}]}},"NetCashProvidedByUsedInOperatingActivities":{"label":"Net Cash Provided by (Used in) Operating Activities","description":"Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":-90497000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-04-30","val":-23554000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":-52099000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-02-01","end":"2016-10-31","val":-84619000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-02-01","end":"2017-01-31","val":-116561000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":-116561000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":4979000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2017-02-01","end":"2017-04-30","val":4979000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":-17866000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-07-31","val":-17866000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-02-01","end":"2017-10-31","val":-20282000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":-20282000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-02-01","end":"2018-01-31","val":-42268000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":-42268000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":-42268000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":24363000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"start":"2018-02-01","end":"2018-04-30","val":24363000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":810000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-07-31","val":810000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-02-01","end":"2018-10-31","val":-5974000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2018-10-31","val":-5974000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-02-01","end":"2019-01-31","val":34273000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":34273000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":34273000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":11460000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":11460000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":-21520000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":-21520000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-02-01","end":"2019-10-31","val":-27410000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":-27410000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-02-01","end":"2020-01-31","val":-36826000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":-36826000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":68357000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":68357000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":100805000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":100805000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-02-01","end":"2020-10-31","val":119170000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-02-01","end":"2021-01-31","val":155822000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":162210000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":150012000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"}]}},"NetIncomeLoss":{"label":"Net Income (Loss) Attributable to Parent","description":"The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":-203143000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-04-30","val":-43113000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2016-02-01","end":"2016-04-30","val":-43113000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":-81840000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-05-01","end":"2016-07-31","val":-38727000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-05-01","end":"2016-07-31","val":-38727000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q2"},{"start":"2016-02-01","end":"2016-10-31","val":-125885000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-08-01","end":"2016-10-31","val":-44045000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-08-01","end":"2016-10-31","val":-44045000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q3"},{"start":"2016-02-01","end":"2017-01-31","val":-187317000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":-158385000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2016-11-01","end":"2017-01-31","val":-61432000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4"},{"start":"2017-02-01","end":"2017-04-30","val":-222319000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2017-02-01","end":"2017-04-30","val":-222319000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2017-04-30","val":-222319000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"start":"2017-02-01","end":"2017-04-30","val":-221356000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":-286548000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-07-31","val":-286548000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-05-01","end":"2017-07-31","val":-64229000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-05-01","end":"2017-07-31","val":-64229000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-05-01","end":"2017-07-31","val":-64229000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-05-01","end":"2017-07-31","val":-62650000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q2"},{"start":"2017-02-01","end":"2017-10-31","val":-341886000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":-341886000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-08-01","end":"2017-10-31","val":-55338000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-08-01","end":"2017-10-31","val":-55338000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-08-01","end":"2017-10-31","val":-55338000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-08-01","end":"2017-10-31","val":-49352000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q3"},{"start":"2017-02-01","end":"2018-01-31","val":-385793000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":-369672000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":-369672000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2017-11-01","end":"2018-01-31","val":-43907000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-11-01","end":"2018-01-31","val":-36314000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4"},{"start":"2018-02-01","end":"2018-04-30","val":-51041000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"start":"2018-02-01","end":"2018-04-30","val":-52322000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2018-04-30","val":-52322000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2018-02-01","end":"2018-04-30","val":-52322000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":-84416000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-07-31","val":-81271000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-05-01","end":"2018-07-31","val":-33375000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-05-01","end":"2018-07-31","val":-28949000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-05-01","end":"2018-07-31","val":-28949000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-05-01","end":"2018-07-31","val":-28949000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q2"},{"start":"2018-02-01","end":"2018-10-31","val":-110950000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2018-10-31","val":-107128000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":-26534000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":-25857000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-08-01","end":"2018-10-31","val":-25857000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":-25857000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q3"},{"start":"2018-02-01","end":"2019-01-31","val":-192649000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":-192649000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":-192649000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2018-11-01","end":"2019-01-31","val":-85521000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-11-01","end":"2019-01-31","val":-85521000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4"},{"start":"2019-02-01","end":"2019-04-30","val":-103130000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":-103130000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2019-04-30","val":-103130000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":-190173000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":-190173000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":-87043000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":-87043000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-05-01","end":"2019-07-31","val":-87043000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2019Q2"},{"start":"2019-02-01","end":"2019-10-31","val":-272295000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":-272295000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-08-01","end":"2019-10-31","val":-82122000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-08-01","end":"2019-10-31","val":-82122000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-08-01","end":"2019-10-31","val":-82122000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2019Q3"},{"start":"2019-02-01","end":"2020-01-31","val":-336582000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":-336582000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2019-11-01","end":"2020-01-31","val":-64287000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2019Q4"},{"start":"2020-02-01","end":"2020-04-30","val":-58014000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":-58014000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":-94011000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":-94011000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-05-01","end":"2020-07-31","val":-35997000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-05-01","end":"2020-07-31","val":-35997000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q2"},{"start":"2020-02-01","end":"2020-10-31","val":-107956000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-08-01","end":"2020-10-31","val":-13945000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3"},{"start":"2020-02-01","end":"2021-01-31","val":-162734000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":-40401000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":-73606000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2021-05-01","end":"2021-07-31","val":-33205000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2"}]}},"NoncashContributionExpense":{"label":"Noncash Contribution Expense","description":"Noncash charitable contributions made by the entity during the period.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":0,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2017-01-31","val":21574000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":21574000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2018-01-31","val":0,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":0,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017"},{"start":"2018-02-01","end":"2019-01-31","val":0,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2018"}]}},"NonoperatingIncomeExpense":{"label":"Nonoperating Income (Expense)","description":"The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":386000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-04-30","val":163000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":-15000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-05-01","end":"2016-07-31","val":-178000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2016Q2"},{"start":"2016-02-01","end":"2016-10-31","val":-311000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-08-01","end":"2016-10-31","val":-296000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2016Q3"},{"start":"2016-02-01","end":"2017-01-31","val":-547000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":-547000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":22000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2017-02-01","end":"2017-04-30","val":22000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":839000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-07-31","val":839000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-05-01","end":"2017-07-31","val":817000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-05-01","end":"2017-07-31","val":817000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2017Q2"},{"start":"2017-02-01","end":"2017-10-31","val":349000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":349000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-08-01","end":"2017-10-31","val":-490000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-08-01","end":"2017-10-31","val":-490000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2017Q3"},{"start":"2017-02-01","end":"2018-01-31","val":1429000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":1429000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":1429000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":-1121000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"start":"2018-02-01","end":"2018-04-30","val":-1121000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":-2028000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-07-31","val":-2028000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-05-01","end":"2018-07-31","val":-907000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-05-01","end":"2018-07-31","val":-907000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2018Q2"},{"start":"2018-02-01","end":"2018-10-31","val":-3154000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2018-10-31","val":-3154000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":-1126000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":-1126000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2018Q3"},{"start":"2018-02-01","end":"2019-01-31","val":-2478000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":-2478000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":-2478000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":233000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":233000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":337000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":337000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":104000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":104000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2019Q2"},{"start":"2019-02-01","end":"2019-10-31","val":291000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":291000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-08-01","end":"2019-10-31","val":-46000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-08-01","end":"2019-10-31","val":-46000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2019Q3"},{"start":"2019-02-01","end":"2020-01-31","val":185000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":185000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":-2497000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":-2497000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":-1517000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":-1517000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-05-01","end":"2020-07-31","val":980000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-05-01","end":"2020-07-31","val":980000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q2"},{"start":"2020-02-01","end":"2020-10-31","val":-2915000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-08-01","end":"2020-10-31","val":-1398000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3"},{"start":"2020-02-01","end":"2021-01-31","val":-3117000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":-700000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":-674000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2021-05-01","end":"2021-07-31","val":26000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2"}]}},"NumberOfOperatingSegments":{"label":"Number of Operating Segments","description":"Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.","units":{"segment":[{"start":"2017-02-01","end":"2017-07-31","val":2,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-10-31","val":2,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2018-01-31","val":2,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":2,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":2,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-10-31","val":2,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2019-01-31","val":2,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":2,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":2,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-10-31","val":2,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2020-01-31","val":2,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":2,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":2,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-10-31","val":2,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-02-01","end":"2021-01-31","val":2,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":2,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":2,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"}]}},"OperatingExpenses":{"label":"Operating Expenses","description":"Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":295322000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-04-30","val":78966000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":160870000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-05-01","end":"2016-07-31","val":81904000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2016Q2"},{"start":"2016-02-01","end":"2016-10-31","val":249677000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-08-01","end":"2016-10-31","val":88807000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2016Q3"},{"start":"2016-02-01","end":"2017-01-31","val":361377000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":343637000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":241824000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2017-02-01","end":"2017-04-30","val":241824000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":365367000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-07-31","val":365367000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-05-01","end":"2017-07-31","val":123543000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-05-01","end":"2017-07-31","val":123543000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2017Q2"},{"start":"2017-02-01","end":"2017-10-31","val":483400000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":483400000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-08-01","end":"2017-10-31","val":118033000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-08-01","end":"2017-10-31","val":118033000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2017Q3"},{"start":"2017-02-01","end":"2018-01-31","val":599701000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":588430000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":588430000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":119777000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"start":"2018-02-01","end":"2018-04-30","val":121810000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":231833000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-07-31","val":232081000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-05-01","end":"2018-07-31","val":112056000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-05-01","end":"2018-07-31","val":110271000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2018Q2"},{"start":"2018-02-01","end":"2018-10-31","val":346390000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2018-10-31","val":346766000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":114557000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":114685000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2018Q3"},{"start":"2018-02-01","end":"2019-01-31","val":537591000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":537591000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":537591000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":229988000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":229988000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":458666000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":458666000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":228678000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":228678000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2019Q2"},{"start":"2019-02-01","end":"2019-10-31","val":681797000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":681797000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-08-01","end":"2019-10-31","val":223131000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-08-01","end":"2019-10-31","val":223131000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2019Q3"},{"start":"2019-02-01","end":"2020-01-31","val":901443000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":901443000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":212026000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":212026000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":413257000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":413257000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-05-01","end":"2020-07-31","val":201231000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-05-01","end":"2020-07-31","val":201231000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q2"},{"start":"2020-02-01","end":"2020-10-31","val":601438000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-08-01","end":"2020-10-31","val":188181000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3"},{"start":"2020-02-01","end":"2021-01-31","val":836335000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":214917000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":438854000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2021-05-01","end":"2021-07-31","val":223937000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2"}]}},"OperatingIncomeLoss":{"label":"Operating Income (Loss)","description":"The net result for the period of deducting operating expenses from operating revenues.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":-204637000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-04-30","val":-43516000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2016-02-01","end":"2016-04-30","val":-43516000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":-82303000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-05-01","end":"2016-07-31","val":-38787000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-05-01","end":"2016-07-31","val":-38787000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q2"},{"start":"2016-02-01","end":"2016-10-31","val":-126291000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-08-01","end":"2016-10-31","val":-43988000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-08-01","end":"2016-10-31","val":-43988000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q3"},{"start":"2016-02-01","end":"2017-01-31","val":-187339000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":-158082000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2016-11-01","end":"2017-01-31","val":-61048000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4"},{"start":"2017-02-01","end":"2017-04-30","val":-222340000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2017-02-01","end":"2017-04-30","val":-222340000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2017-04-30","val":-222340000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"start":"2017-02-01","end":"2017-04-30","val":-221377000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":-288025000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-07-31","val":-288025000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-05-01","end":"2017-07-31","val":-65685000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-05-01","end":"2017-07-31","val":-65685000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-05-01","end":"2017-07-31","val":-65685000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-05-01","end":"2017-07-31","val":-64106000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q2"},{"start":"2017-02-01","end":"2017-10-31","val":-344615000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":-344615000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-08-01","end":"2017-10-31","val":-56590000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-08-01","end":"2017-10-31","val":-56590000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-08-01","end":"2017-10-31","val":-56590000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-08-01","end":"2017-10-31","val":-50604000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q3"},{"start":"2017-02-01","end":"2018-01-31","val":-390293000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":-374172000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":-374172000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2017-11-01","end":"2018-01-31","val":-45678000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-11-01","end":"2018-01-31","val":-38085000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4"},{"start":"2018-02-01","end":"2018-04-30","val":-50421000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"start":"2018-02-01","end":"2018-04-30","val":-51702000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2018-04-30","val":-51702000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2018-02-01","end":"2018-04-30","val":-51702000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":-84271000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-07-31","val":-81126000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-05-01","end":"2018-07-31","val":-33850000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-05-01","end":"2018-07-31","val":-29424000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-05-01","end":"2018-07-31","val":-29424000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-05-01","end":"2018-07-31","val":-29424000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q2"},{"start":"2018-02-01","end":"2018-10-31","val":-110621000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2018-10-31","val":-106799000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":-26350000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":-25673000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-08-01","end":"2018-10-31","val":-25673000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":-25673000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q3"},{"start":"2018-02-01","end":"2019-01-31","val":-193764000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":-193764000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":-193764000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2018-11-01","end":"2019-01-31","val":-86965000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-11-01","end":"2019-01-31","val":-86965000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4"},{"start":"2019-02-01","end":"2019-04-30","val":-103753000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":-103753000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2019-04-30","val":-103753000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":-192850000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":-192850000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":-89097000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":-89097000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-05-01","end":"2019-07-31","val":-89097000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2019Q2"},{"start":"2019-02-01","end":"2019-10-31","val":-275317000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":-275317000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-08-01","end":"2019-10-31","val":-82467000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-08-01","end":"2019-10-31","val":-82467000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-08-01","end":"2019-10-31","val":-82467000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2019Q3"},{"start":"2019-02-01","end":"2020-01-31","val":-339754000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":-339754000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2019-11-01","end":"2020-01-31","val":-64437000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2019Q4"},{"start":"2020-02-01","end":"2020-04-30","val":-55807000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":-55807000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":-92341000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":-92341000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-05-01","end":"2020-07-31","val":-36534000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-05-01","end":"2020-07-31","val":-36534000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q2"},{"start":"2020-02-01","end":"2020-10-31","val":-104670000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-08-01","end":"2020-10-31","val":-12329000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3"},{"start":"2020-02-01","end":"2021-01-31","val":-156265000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":-33752000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":-66605000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2021-05-01","end":"2021-07-31","val":-32853000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2"}]}},"OperatingLeaseCost":{"label":"Operating Lease, Cost","description":"Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.","units":{"USD":[{"start":"2019-02-01","end":"2019-04-30","val":11315000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":11315000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":22898000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":22898000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":11583000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":11583000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2019Q2"},{"start":"2019-02-01","end":"2019-10-31","val":33897000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":33897000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-08-01","end":"2019-10-31","val":10999000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-08-01","end":"2019-10-31","val":10999000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2019Q3"},{"start":"2019-02-01","end":"2020-01-31","val":45640000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":45640000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":11301000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":11301000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":22692000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":22692000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-05-01","end":"2020-07-31","val":11391000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-05-01","end":"2020-07-31","val":11391000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q2"},{"start":"2020-02-01","end":"2020-10-31","val":34208000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-08-01","end":"2020-10-31","val":11516000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3"},{"start":"2020-02-01","end":"2021-01-31","val":45747000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":11051000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":21365000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2021-05-01","end":"2021-07-31","val":10314000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2"}]}},"OperatingLeaseExpense":{"label":"Operating Lease, Expense","description":"Amount of operating lease expense. Excludes sublease income.","units":{"USD":[{"start":"2018-02-01","end":"2019-01-31","val":0,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2020-01-31","val":45640000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2021-01-31","val":45747000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"}]}},"OperatingLeaseImpairmentLoss":{"label":"Operating Lease, Impairment Loss","description":"Amount of loss from impairment of right-of-use asset from operating lease.","units":{"USD":[{"start":"2020-02-01","end":"2021-01-31","val":34000000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"}]}},"OperatingLeaseLiability":{"label":"Operating Lease, Liability","description":"Present value of lessee's discounted obligation for lease payments from operating lease.","units":{"USD":[{"end":"2019-02-01","val":247300000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":243693000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":226824000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":226691000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":211505000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2019Q4I"},{"end":"2020-04-30","val":212349000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":202968000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":205666000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":188870000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"},{"end":"2021-04-30","val":181906000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":178598000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"OperatingLeaseLiabilityCurrent":{"label":"Operating Lease, Liability, Current","description":"Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.","units":{"USD":[{"end":"2019-01-31","val":0,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":0,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2018Q4I"},{"end":"2019-04-30","val":25650000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":21358000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":28915000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":19181000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":19181000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":19181000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":19181000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":19181000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":28404000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":21629000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":29422000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":19574000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":19574000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":19574000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":19550000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":23152000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"OperatingLeaseLiabilityNoncurrent":{"label":"Operating Lease, Liability, Noncurrent","description":"Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.","units":{"USD":[{"end":"2019-01-31","val":0,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":0,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2018Q4I"},{"end":"2019-04-30","val":218043000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":205466000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":197776000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":192324000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":192324000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":192324000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":192324000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":192324000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":183945000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":181339000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":176244000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":169296000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":169296000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":169296000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":162356000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":155446000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"OperatingLeaseRightOfUseAsset":{"label":"Operating Lease, Right-of-Use Asset","description":"Amount of lessee's right to use underlying asset under operating lease.","units":{"USD":[{"end":"2019-01-31","val":0,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":0,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2018Q4I"},{"end":"2019-02-01","val":235900000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2019-04-30","val":231983000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":216958000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":209920000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":204642000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":204642000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":204642000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":204642000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":204642000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":196715000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":194751000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":187469000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":146424000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":146424000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":146424000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":138994000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":131668000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"OperatingLeasesFutureMinimumPaymentsDue":{"label":"Operating Leases, Future Minimum Payments Due","description":"Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.","units":{"USD":[{"end":"2017-04-30","val":263806000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":296705000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":303347000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":299901000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017Q4I"},{"end":"2018-04-30","val":291849000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":284217000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":275197000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":305860000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":305860000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"}]}},"OperatingLeasesFutureMinimumPaymentsDueCurrent":{"label":"Operating Leases, Future Minimum Payments Due, Next Twelve Months","description":"Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"USD":[{"end":"2019-01-31","val":42293000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"}]}},"OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals":{"label":"Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals","description":"Contractually required future rental payments receivable on noncancelable subleasing arrangements.","units":{"USD":[{"end":"2017-04-30","val":61589000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":61589000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":59595000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":56326000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017Q4I"},{"end":"2018-04-30","val":55651000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":52177000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":48471000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":47663000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2018Q4I"}]}},"OperatingLeasesFutureMinimumPaymentsDueInFiveYears":{"label":"Operating Leases, Future Minimum Payments, Due in Five Years","description":"Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"USD":[{"end":"2017-04-30","val":25705000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":30700000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":31740000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":29491000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017Q4I"},{"end":"2018-04-30","val":29479000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":29480000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":29480000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":35190000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":35190000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"}]}},"OperatingLeasesFutureMinimumPaymentsDueInFourYears":{"label":"Operating Leases, Future Minimum Payments, Due in Four Years","description":"Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"USD":[{"end":"2017-04-30","val":28671000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":33562000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":35256000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":31850000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017Q4I"},{"end":"2018-04-30","val":31795000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":31835000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":31778000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":34249000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":34249000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"}]}},"OperatingLeasesFutureMinimumPaymentsDueInThreeYears":{"label":"Operating Leases, Future Minimum Payments, Due in Three Years","description":"Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"USD":[{"end":"2017-04-30","val":28673000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":33525000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":35171000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":35446000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017Q4I"},{"end":"2018-04-30","val":35392000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":35571000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":35468000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":37172000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":37172000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"}]}},"OperatingLeasesFutureMinimumPaymentsDueInTwoYears":{"label":"Operating Leases, Future Minimum Payments, Due in Two Years","description":"Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"USD":[{"end":"2017-04-30","val":28319000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":31903000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":33958000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":35478000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017Q4I"},{"end":"2018-04-30","val":35567000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":35732000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":36006000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":41475000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":41475000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"}]}},"OperatingLeasesFutureMinimumPaymentsDueThereafter":{"label":"Operating Leases, Future Minimum Payments, Due Thereafter","description":"Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"USD":[{"end":"2017-04-30","val":142966000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":159884000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":162502000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":133011000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017Q4I"},{"end":"2018-04-30","val":133432000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":133388000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":133387000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":115481000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":115481000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"}]}},"OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear":{"label":"Operating Leases, Future Minimum Payments, Remainder of Fiscal Year","description":"Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the remainder of the fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"USD":[{"end":"2017-04-30","val":9472000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":7131000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":4720000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":34625000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017Q4I"},{"end":"2018-04-30","val":26184000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":18211000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":9078000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":42293000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2018Q4I"}]}},"OperatingLeasesRentExpenseNet":{"label":"Operating Leases, Rent Expense, Net","description":"Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":7200000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-04-30","val":1900000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":4100000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-05-01","end":"2016-07-31","val":2200000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2016Q2"},{"start":"2016-02-01","end":"2016-10-31","val":6200000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-08-01","end":"2016-10-31","val":2100000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2016Q3"},{"start":"2016-02-01","end":"2017-01-31","val":8400000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":8400000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":2400000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2017-02-01","end":"2017-04-30","val":2400000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":5700000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-07-31","val":5700000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-05-01","end":"2017-07-31","val":3300000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-05-01","end":"2017-07-31","val":3300000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2017Q2"},{"start":"2017-02-01","end":"2017-10-31","val":10500000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":10500000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-08-01","end":"2017-10-31","val":4800000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-08-01","end":"2017-10-31","val":4800000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2017Q3"},{"start":"2017-02-01","end":"2018-01-31","val":16100000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":16100000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":5900000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":11500000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-05-01","end":"2018-07-31","val":5600000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2"},{"start":"2018-02-01","end":"2018-10-31","val":17000000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":5500000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3"},{"start":"2018-02-01","end":"2019-01-31","val":23100000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2018"}]}},"OperatingLeaseWeightedAverageDiscountRatePercent":{"label":"Operating Lease, Weighted Average Discount Rate, Percent","description":"Weighted average discount rate for operating lease calculated at point in time.","units":{"pure":[{"end":"2019-04-30","val":0.054,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":0.06,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":0.06,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":0.06,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":0.06,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":0.06,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":0.06,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":0.06,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":0.06,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":0.06,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":0.059,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":0.059,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":0.059,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":0.059,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":0.059,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":0.06,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"OtherAccruedLiabilitiesCurrent":{"label":"Other Accrued Liabilities, Current","description":"Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.","units":{"USD":[{"end":"2017-01-31","val":4231000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":4231000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":4231000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":4231000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":6617000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":8254000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":7362000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":6724000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":4549000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-01-31","val":4549000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":4549000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2018-01-31","val":5639000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2018-04-30","val":5678000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":5316000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":4556000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":10381000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":10381000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":11566000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":11566000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":11566000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":6060000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":14773000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":9850000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":9377000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":9377000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":9377000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":9208000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":9208000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":11268000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":11407000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":6843000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":9112000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":9112000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":9112000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":10691000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":9789000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"OtherAssetsNoncurrent":{"label":"Other Assets, Noncurrent","description":"Amount of noncurrent assets classified as other.","units":{"USD":[{"end":"2017-01-31","val":5015000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":5015000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":5015000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":5015000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":6973000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":3994000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":4673000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":9312000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":9312000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-01-31","val":9312000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":9312000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2018-01-31","val":9312000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2018-04-30","val":6822000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":7696000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":6767000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":7559000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":7559000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":7559000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":7559000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":7559000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":10474000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":9727000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":11160000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":8857000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":12209000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":12209000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":12209000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":12209000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":9563000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":9657000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":10961000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":9819000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":9819000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":9819000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":10206000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":10498000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent":{"label":"Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent","description":"Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature, attributable to parent entity.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":-334000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-04-30","val":237000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":33000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-05-01","end":"2016-07-31","val":-204000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2016Q2"},{"start":"2016-02-01","end":"2016-10-31","val":6000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-08-01","end":"2016-10-31","val":-27000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2016Q3"},{"start":"2016-02-01","end":"2017-01-31","val":75000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":75000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":8000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2017-02-01","end":"2017-04-30","val":8000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":-26000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-07-31","val":-26000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-05-01","end":"2017-07-31","val":-34000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-05-01","end":"2017-07-31","val":-34000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2017Q2"},{"start":"2017-02-01","end":"2017-10-31","val":33000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":33000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-08-01","end":"2017-10-31","val":59000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-08-01","end":"2017-10-31","val":59000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2017Q3"},{"start":"2017-02-01","end":"2018-01-31","val":349000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":349000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":349000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":-97000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"start":"2018-02-01","end":"2018-04-30","val":-97000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":-349000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-07-31","val":-349000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-05-01","end":"2018-07-31","val":-252000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-05-01","end":"2018-07-31","val":-252000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2018Q2"},{"start":"2018-02-01","end":"2018-10-31","val":-449000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2018-10-31","val":-449000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":-100000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":-100000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2018Q3"},{"start":"2018-02-01","end":"2019-01-31","val":34000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":34000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":34000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":-8000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":-8000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":-630000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":-630000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":-622000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":-622000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2019Q2"},{"start":"2019-02-01","end":"2019-10-31","val":-157000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":-157000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-08-01","end":"2019-10-31","val":473000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-08-01","end":"2019-10-31","val":473000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2019Q3"},{"start":"2019-02-01","end":"2020-01-31","val":-935000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":-935000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":-836000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":-836000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":-921000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":-921000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-05-01","end":"2020-07-31","val":-85000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-05-01","end":"2020-07-31","val":-85000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q2"},{"start":"2020-02-01","end":"2020-10-31","val":-1162000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-08-01","end":"2020-10-31","val":-241000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3"},{"start":"2020-02-01","end":"2021-01-31","val":32000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":235000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":-427000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2021-05-01","end":"2021-07-31","val":-662000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2"}]}},"OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent":{"label":"Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent","description":"Amount after tax of other comprehensive income (loss) attributable to parent entity.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":-521000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-04-30","val":506000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":386000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-05-01","end":"2016-07-31","val":-120000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2016Q2"},{"start":"2016-02-01","end":"2016-10-31","val":242000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-08-01","end":"2016-10-31","val":-144000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2016Q3"},{"start":"2016-02-01","end":"2017-01-31","val":188000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":188000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":43000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2017-02-01","end":"2017-04-30","val":43000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":35000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-07-31","val":35000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-05-01","end":"2017-07-31","val":-8000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-05-01","end":"2017-07-31","val":-8000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2017Q2"},{"start":"2017-02-01","end":"2017-10-31","val":-58000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":-58000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-08-01","end":"2017-10-31","val":-93000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-08-01","end":"2017-10-31","val":-93000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2017Q3"},{"start":"2017-02-01","end":"2018-01-31","val":-276000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":-276000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":-276000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":-243000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"start":"2018-02-01","end":"2018-04-30","val":-243000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":-189000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-07-31","val":-189000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-05-01","end":"2018-07-31","val":54000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-05-01","end":"2018-07-31","val":54000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2018Q2"},{"start":"2018-02-01","end":"2018-10-31","val":-241000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2018-10-31","val":-241000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":-52000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":-52000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2018Q3"},{"start":"2018-02-01","end":"2019-01-31","val":790000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":790000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":790000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":342000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":342000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":172000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":172000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":-170000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":-170000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2019Q2"},{"start":"2019-02-01","end":"2019-10-31","val":1020000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":1020000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-08-01","end":"2019-10-31","val":848000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-08-01","end":"2019-10-31","val":848000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2019Q3"},{"start":"2019-02-01","end":"2020-01-31","val":315000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":315000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":16000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":16000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":490000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":490000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-05-01","end":"2020-07-31","val":474000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-05-01","end":"2020-07-31","val":474000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q2"},{"start":"2020-02-01","end":"2020-10-31","val":-468000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-08-01","end":"2020-10-31","val":-958000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3"},{"start":"2020-02-01","end":"2021-01-31","val":307000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":-427000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":-1441000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2021-05-01","end":"2021-07-31","val":-1014000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2"}]}},"OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax":{"label":"OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax","description":"Amount, after tax and before adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":-187000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-04-30","val":269000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":353000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-05-01","end":"2016-07-31","val":84000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2016Q2"},{"start":"2016-02-01","end":"2016-10-31","val":236000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-08-01","end":"2016-10-31","val":-117000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2016Q3"},{"start":"2016-02-01","end":"2017-01-31","val":113000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":113000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":35000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2017-02-01","end":"2017-04-30","val":35000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":61000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-07-31","val":61000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-05-01","end":"2017-07-31","val":26000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-05-01","end":"2017-07-31","val":26000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2017Q2"},{"start":"2017-02-01","end":"2017-10-31","val":-91000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":-91000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-08-01","end":"2017-10-31","val":-152000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-08-01","end":"2017-10-31","val":-152000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2017Q3"},{"start":"2017-02-01","end":"2018-01-31","val":-625000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":-625000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":-625000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":-146000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"start":"2018-02-01","end":"2018-04-30","val":-146000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":160000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-07-31","val":160000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-05-01","end":"2018-07-31","val":306000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-05-01","end":"2018-07-31","val":306000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2018Q2"},{"start":"2018-02-01","end":"2018-10-31","val":208000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2018-10-31","val":208000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":48000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":48000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2018Q3"},{"start":"2018-02-01","end":"2019-01-31","val":756000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":756000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":756000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":350000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":350000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":802000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":802000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":452000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":452000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2019Q2"},{"start":"2019-02-01","end":"2019-10-31","val":1177000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":1177000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-08-01","end":"2019-10-31","val":375000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-08-01","end":"2019-10-31","val":375000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2019Q3"},{"start":"2019-02-01","end":"2020-01-31","val":1250000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":1250000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":852000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":852000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":1411000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":1411000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-05-01","end":"2020-07-31","val":559000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-05-01","end":"2020-07-31","val":559000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q2"},{"start":"2020-02-01","end":"2020-10-31","val":694000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-08-01","end":"2020-10-31","val":-717000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3"},{"start":"2020-02-01","end":"2021-01-31","val":275000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":-662000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":-1014000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2021-05-01","end":"2021-07-31","val":-352000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2"}]}},"OtherEmployeeRelatedLiabilitiesCurrent":{"label":"Other Employee-related Liabilities, Current","description":"Amount of obligations incurred for employer-related costs classified as other, payable within one year or the normal operating cycle, if longer.","units":{"USD":[{"end":"2018-01-31","val":1571000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2019-01-31","val":4496000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":4496000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":4496000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":4496000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":4496000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":5305000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":3271000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":2966000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":3413000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":3413000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":3413000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":3413000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":3413000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":4687000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":6582000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":5317000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":5681000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":5681000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":5681000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":3472000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":3937000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"OtherLiabilitiesNoncurrent":{"label":"Other Liabilities, Noncurrent","description":"Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.","units":{"USD":[{"end":"2017-01-31","val":4345000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":4345000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":4345000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":4345000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":3993000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":9058000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":13615000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":16601000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":16601000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-01-31","val":16601000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":16601000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2018-01-31","val":16601000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2018-04-30","val":18286000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":19745000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":20336000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":22209000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":22209000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":22209000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":22209000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":22209000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":4615000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":5404000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":7192000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":7223000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":7223000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":7223000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":7223000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":7223000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":7457000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":6462000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":5683000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":6763000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":6763000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":6763000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":6290000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":5350000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"OtherOperatingActivitiesCashFlowStatement":{"label":"Other Operating Activities, Cash Flow Statement","description":"Other cash or noncash adjustments to reconcile net income to cash provided by (used in) operating activities that are not separately disclosed in the statement of cash flows (for example, cash received or cash paid during the current period for miscellaneous operating activities, net change during the reporting period in other assets or other liabilities).","units":{"USD":[{"start":"2018-02-01","end":"2019-01-31","val":-1431000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":-510000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":-1201000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-02-01","end":"2019-10-31","val":-1903000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-02-01","end":"2020-01-31","val":-1880000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":3522000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":3522000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":5126000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":5126000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-02-01","end":"2020-10-31","val":8387000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-02-01","end":"2021-01-31","val":9395000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":1182000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":2927000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"}]}},"PaymentsForProceedsFromProductiveAssets":{"label":"Payments for (Proceeds from) Productive Assets","description":"The net cash outflow or inflow from purchases, sales and disposals of property, plant and equipment and other productive assets, including intangibles.","units":{"USD":[{"start":"2016-02-01","end":"2016-04-30","val":5149000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":6135000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-04-30","val":175000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":1971000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"}]}},"PaymentsForRepurchaseOfCommonStock":{"label":"Payments for Repurchase of Common Stock","description":"The cash outflow to reacquire common stock during the period.","units":{"USD":[{"start":"2018-02-01","end":"2019-01-31","val":0,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":0,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":0,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-02-01","end":"2019-10-31","val":0,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-02-01","end":"2020-01-31","val":0,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":25974000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":25974000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":25974000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":25974000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-02-01","end":"2020-10-31","val":25974000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-02-01","end":"2021-01-31","val":340065000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":18945000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":29088000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"}]}},"PaymentsOfFinancingCosts":{"label":"Payments of Financing Costs","description":"The cash outflow for loan and debt issuance costs.","units":{"USD":[{"start":"2017-02-01","end":"2017-04-30","val":1647000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2018-02-01","end":"2018-04-30","val":0,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1"}]}},"PaymentsOfStockIssuanceCosts":{"label":"Payments of Stock Issuance Costs","description":"The cash outflow for cost incurred directly with the issuance of an equity security.","units":{"USD":[{"start":"2016-02-01","end":"2016-04-30","val":0,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1"},{"start":"2017-02-01","end":"2017-04-30","val":1647000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1"}]}},"PaymentsRelatedToTaxWithholdingForShareBasedCompensation":{"label":"Payment, Tax Withholding, Share-based Payment Arrangement","description":"Amount of cash outflow to satisfy grantee's tax withholding obligation for award under share-based payment arrangement.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":1202000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-10-31","val":0,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-02-01","end":"2017-01-31","val":0,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":0,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":0,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":0,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-02-01","end":"2017-10-31","val":50503000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":50503000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-02-01","end":"2018-01-31","val":59781000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":59781000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":59781000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":906000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"start":"2018-02-01","end":"2018-04-30","val":906000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":4388000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-07-31","val":4388000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-02-01","end":"2018-10-31","val":8482000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2018-10-31","val":8482000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-02-01","end":"2019-01-31","val":16218000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":16218000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":16218000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":7797000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":7797000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":15645000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":15645000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-02-01","end":"2019-10-31","val":21085000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":21085000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-02-01","end":"2020-01-31","val":32621000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":32621000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":14017000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":14017000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":23283000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":23283000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-02-01","end":"2020-10-31","val":29635000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-02-01","end":"2021-01-31","val":47248000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":18056000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":40670000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"}]}},"PaymentsToAcquireAvailableForSaleSecurities":{"label":"Payments to Acquire Available-for-sale Securities","description":"The cash outflow to acquire debt and equity securities not classified as either held-to-maturity securities or trading securities which would be classified as available-for-sale securities and reported at fair value, with unrealized gains and losses excluded from earnings and reported in a separate component of shareholders' equity.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":411524000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-04-30","val":40044000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":90409000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-02-01","end":"2016-10-31","val":103776000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-02-01","end":"2017-01-31","val":103776000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":110347000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2017-02-01","end":"2017-04-30","val":110347000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":387154000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-10-31","val":514157000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2018-01-31","val":620329000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":114243000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1"}]}},"PaymentsToAcquireAvailableForSaleSecuritiesDebt":{"label":"Payments to Acquire Debt Securities, Available-for-sale","description":"Amount of cash outflow to acquire investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).","units":{"USD":[{"start":"2016-02-01","end":"2017-01-31","val":103776000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2017-07-31","val":387154000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-02-01","end":"2017-10-31","val":514157000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-02-01","end":"2018-01-31","val":620329000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":620329000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":114243000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":252376000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-07-31","val":252376000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-02-01","end":"2018-10-31","val":368914000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2018-10-31","val":368914000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-02-01","end":"2019-01-31","val":462737000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":462737000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":462737000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":196453000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":196453000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":311224000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":311224000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-02-01","end":"2019-10-31","val":392497000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":392497000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-02-01","end":"2020-01-31","val":494252000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":494252000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":80860000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":80860000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":273569000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":273569000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-02-01","end":"2020-10-31","val":395200000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-02-01","end":"2021-01-31","val":472715000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":382013000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":478889000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"}]}},"PaymentsToAcquireBusinessesNetOfCashAcquired":{"label":"Payments to Acquire Businesses, Net of Cash Acquired","description":"The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":8911000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-04-30","val":2700000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":2700000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-02-01","end":"2016-10-31","val":2700000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-02-01","end":"2017-01-31","val":2700000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":2700000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":0,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":0,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-10-31","val":1937000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":1937000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-02-01","end":"2018-01-31","val":1937000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":1937000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":1937000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-10-31","val":0,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2018-10-31","val":0,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-02-01","end":"2019-01-31","val":0,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2018"},{"start":"2019-02-01","end":"2019-10-31","val":4500000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":4500000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-02-01","end":"2020-01-31","val":4500000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":4500000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-07-31","val":0,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-02-01","end":"2020-10-31","val":12358000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-02-01","end":"2021-01-31","val":12358000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-07-31","val":56427000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"}]}},"PaymentsToAcquireProductiveAssets":{"label":"Payments to Acquire Productive Assets","description":"The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets.","units":{"USD":[{"start":"2016-02-01","end":"2016-10-31","val":6934000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":9005000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"}]}},"PaymentsToAcquirePropertyPlantAndEquipment":{"label":"Payments to Acquire Property, Plant, and Equipment","description":"The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":5539000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2017-01-31","val":7385000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":7385000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":175000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":1971000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-02-01","end":"2017-10-31","val":9005000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-02-01","end":"2018-01-31","val":12954000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":12954000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":12954000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":4241000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"start":"2018-02-01","end":"2018-04-30","val":4214000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":7690000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-07-31","val":7663000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-02-01","end":"2018-10-31","val":9320000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2018-10-31","val":9291000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-02-01","end":"2019-01-31","val":10086000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":10086000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":10041000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":2693000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":2693000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":4721000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":4721000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-02-01","end":"2019-10-31","val":6488000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":6488000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-02-01","end":"2020-01-31","val":7203000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":7203000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":1089000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":1089000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":4430000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":4430000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-02-01","end":"2020-10-31","val":7305000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-02-01","end":"2021-01-31","val":10053000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":1575000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":1937000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"}]}},"PreferredStockParOrStatedValuePerShare":{"label":"Preferred Stock, Par or Stated Value Per Share","description":"Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.","units":{"USD/shares":[{"end":"2017-01-31","val":0.00005,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-07-31","val":0.00005,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":0.00005,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":0.00005,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":0.00005,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2019-01-31","val":0.00005,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":0.05,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":0.05,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":0.05,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":0.00005,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":0.05,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":0.05,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":0.05,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":0.00005,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":0.00005,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":0.00005,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":0.00005,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":0.00005,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":0.00005,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":0.00005,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":0.00005,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":0.00005,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":0.00005,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":0.00005,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":0.00005,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":0.00005,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"PreferredStockSharesAuthorized":{"label":"Preferred Stock, Shares Authorized","description":"The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.","units":{"shares":[{"end":"2017-01-31","val":0,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-07-31","val":20000000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":20000000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":20000000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":20000000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2019-01-31","val":20000000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":20000000000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":20000000000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":20000000000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":20000000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":20000000000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":20000000000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":20000000000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":20000000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":20000000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":20000000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":20000000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":20000000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":20000000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":20000000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":20000000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":20000000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":20000000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":20000000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":20000000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":20000000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"PreferredStockSharesIssued":{"label":"Preferred Stock, Shares Issued","description":"Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.","units":{"shares":[{"end":"2017-01-31","val":0,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-07-31","val":0,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":0,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":0,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":0,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2019-01-31","val":0,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":0,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":0,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":0,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":0,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":0,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":0,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":0,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":0,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":0,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":0,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":0,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":0,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":0,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":0,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":0,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":0,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":0,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":0,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":0,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":0,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"PreferredStockSharesOutstanding":{"label":"Preferred Stock, Shares Outstanding","description":"Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.","units":{"shares":[{"end":"2017-01-31","val":0,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-07-31","val":0,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":0,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":0,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":0,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2019-01-31","val":0,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":0,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":0,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":0,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":0,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":0,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":0,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":0,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":0,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":0,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":0,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":0,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":0,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":0,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":0,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":0,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":0,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":0,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":0,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":0,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":0,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"PreferredStockValue":{"label":"Preferred Stock, Value, Issued","description":"Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity.","units":{"USD":[{"end":"2017-01-31","val":0,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2018-01-31","val":0,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":0,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2019-01-31","val":0,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":0,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":0,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":0,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":0,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":0,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":0,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":0,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":0,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":0,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":0,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":0,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":0,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":0,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":0,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":0,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":0,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":0,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":0,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":0,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":0,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"PrepaidExpenseAndOtherAssetsCurrent":{"label":"Prepaid Expense and Other Assets, Current","description":"Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.","units":{"USD":[{"end":"2017-01-31","val":13197000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":13197000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":13197000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":13197000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":13552000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":17509000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":23786000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":31470000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":31470000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-01-31","val":31470000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":31470000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2018-01-31","val":31470000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2018-04-30","val":24249000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":20534000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":25176000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":38281000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":38281000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":38281000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":38281000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":38281000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":27121000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":31342000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":28968000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":37507000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":42155000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":42155000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":42155000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":42155000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":32605000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":28245000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":28502000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":32382000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":32382000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":32382000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":32763000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":29907000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"ProceedsFromIssuanceInitialPublicOffering":{"label":"Proceeds from Issuance Initial Public Offering","description":"The cash inflow associated with the amount received from entity's first offering of stock to the public.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":0,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-07-31","val":0,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-02-01","end":"2016-10-31","val":0,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-02-01","end":"2017-01-31","val":-2056000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":-2056000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2017-07-31","val":237686000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-07-31","val":237686000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-02-01","end":"2017-10-31","val":237422000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":237422000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-02-01","end":"2018-01-31","val":237422000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":237422000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":237422000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-07-31","val":0,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-10-31","val":0,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2019-01-31","val":0,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":0,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018"},{"start":"2019-02-01","end":"2020-01-31","val":0,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2019"}]}},"ProceedsFromIssuanceOfCommonStock":{"label":"Proceeds from Issuance of Common Stock","description":"The cash inflow from the additional capital contribution to the entity.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":0,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2017-01-31","val":0,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016"},{"start":"2017-02-01","end":"2018-01-31","val":46008000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017"}]}},"ProceedsFromIssuanceOfLongTermDebt":{"label":"Proceeds from Issuance of Long-term Debt","description":"The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.","units":{"USD":[{"start":"2018-02-01","end":"2019-01-31","val":0,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2020-01-31","val":0,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2021-01-31","val":490546000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"}]}},"ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions":{"label":"Proceeds, Issuance of Shares, Share-based Payment Arrangement, Including Option Exercised","description":"Amount of cash inflow from issuance of shares under share-based payment arrangement. Includes, but is not limited to, option exercised.","units":{"USD":[{"start":"2018-02-01","end":"2019-01-31","val":21844000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2019-07-31","val":9220000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-02-01","end":"2019-10-31","val":19633000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-02-01","end":"2020-01-31","val":25664000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":4977000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":33639000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":33639000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-02-01","end":"2020-10-31","val":38191000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-02-01","end":"2021-01-31","val":51064000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":6489000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":9191000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"}]}},"ProceedsFromIssuanceOrSaleOfEquity":{"label":"Proceeds from Issuance or Sale of Equity","description":"The cash inflow from the issuance of common stock, preferred stock, treasury stock, stock options, and other types of equity.","units":{"USD":[{"start":"2016-02-01","end":"2016-10-31","val":0,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":46803000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":46803000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2018-10-31","val":0,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"}]}},"ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities":{"label":"Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-sale","description":"Amount of cash inflow from maturity, prepayment and call of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":111913000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-04-30","val":64665000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":129945000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-02-01","end":"2016-10-31","val":155232000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-02-01","end":"2017-01-31","val":207792000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":207792000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":51420000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2017-02-01","end":"2017-04-30","val":51420000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":117604000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-07-31","val":117604000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-02-01","end":"2017-10-31","val":233732000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":233732000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-02-01","end":"2018-01-31","val":321552000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":321552000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":321552000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":114213000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"start":"2018-02-01","end":"2018-04-30","val":114213000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":230903000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-07-31","val":230903000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-02-01","end":"2018-10-31","val":346203000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2018-10-31","val":346203000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-02-01","end":"2019-01-31","val":435478000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":435478000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":435478000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":129998000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":129998000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":235402000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":235402000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-02-01","end":"2019-10-31","val":331630000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":331630000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-02-01","end":"2020-01-31","val":413557000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":413557000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":36794000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":36794000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":123710000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":123710000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-02-01","end":"2020-10-31","val":191670000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-02-01","end":"2021-01-31","val":254763000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":120854000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":210243000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"}]}},"ProceedsFromSaleOfAvailableForSaleSecurities":{"label":"Proceeds from Sale of Available-for-sale Securities","description":"The cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":71379000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-04-30","val":19441000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":34372000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-02-01","end":"2016-10-31","val":51138000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-02-01","end":"2017-01-31","val":74655000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":31675000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2017-02-01","end":"2017-04-30","val":31675000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":43198000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-10-31","val":57436000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2018-01-31","val":79069000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":13256000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1"}]}},"ProceedsFromSaleOfAvailableForSaleSecuritiesDebt":{"label":"Proceeds from Sale of Debt Securities, Available-for-sale","description":"Amount of cash inflow from sale of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).","units":{"USD":[{"start":"2016-02-01","end":"2017-01-31","val":74655000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2017-07-31","val":43198000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-02-01","end":"2017-10-31","val":57436000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-02-01","end":"2018-01-31","val":79069000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":79069000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":13256000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":32294000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-07-31","val":32294000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-02-01","end":"2018-10-31","val":36009000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2018-10-31","val":36009000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-02-01","end":"2019-01-31","val":56702000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":56702000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":56702000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":9271000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":9271000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":39385000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":39385000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-02-01","end":"2019-10-31","val":56741000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":56741000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-02-01","end":"2020-01-31","val":86739000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":86739000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":66059000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":66059000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":104172000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":104172000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-02-01","end":"2020-10-31","val":110322000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-02-01","end":"2021-01-31","val":120329000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":2900000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":76450000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"}]}},"ProceedsFromSaleOfProductiveAssets":{"label":"Proceeds from Sale of Productive Assets","description":"The cash inflow from the sale of property, plant and equipment (capital expenditures), software, and other intangible assets.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":0,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-10-31","val":0,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-02-01","end":"2017-01-31","val":0,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":0,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":0,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":0,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-02-01","end":"2017-10-31","val":145000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":145000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-02-01","end":"2018-01-31","val":145000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":145000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":145000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":27000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":27000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-10-31","val":29000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2019-01-31","val":45000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":45000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018"},{"start":"2019-02-01","end":"2020-01-31","val":0,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2019"}]}},"ProceedsFromStockOptionsExercised":{"label":"Proceeds from Stock Options Exercised","description":"Amount of cash inflow from exercise of option under share-based payment arrangement.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":10865000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-04-30","val":829000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":1633000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-02-01","end":"2016-10-31","val":2553000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-02-01","end":"2017-01-31","val":3594000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":3594000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":1482000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2017-02-01","end":"2017-04-30","val":1482000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":5932000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-07-31","val":5932000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-02-01","end":"2017-10-31","val":11221000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":11221000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-02-01","end":"2018-01-31","val":23673000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":23673000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":23673000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":7081000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"start":"2018-02-01","end":"2018-04-30","val":7081000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":11330000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-07-31","val":11330000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-02-01","end":"2018-10-31","val":18760000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2018-10-31","val":18760000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-02-01","end":"2019-01-31","val":21844000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":21844000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":5949000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":5949000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":9220000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-10-31","val":19633000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2020-01-31","val":25664000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":4977000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1"}]}},"PropertyPlantAndEquipmentGross":{"label":"Property, Plant and Equipment, Gross","description":"Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.","units":{"USD":[{"end":"2017-01-31","val":30799000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":30799000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":30799000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":30799000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":31009000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":35831000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":39131000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":41832000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":41832000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-01-31","val":41832000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":41832000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2018-01-31","val":41832000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2018-04-30","val":46373000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":48158000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":49259000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":54482000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":54482000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":54482000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":54482000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":54482000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":56413000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":58641000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":59983000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":59397000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":59397000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":59397000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":59397000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":59397000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":60669000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":63844000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":64629000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":63045000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":63045000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":63045000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":63672000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":58605000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"PropertyPlantAndEquipmentNet":{"label":"Property, Plant and Equipment, Net","description":"Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.","units":{"USD":[{"end":"2017-01-31","val":13104000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":13104000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":13104000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":13104000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":10617000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":13027000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":15578000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":17600000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":17600000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-01-31","val":17600000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":17600000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2018-01-31","val":17600000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2018-04-30","val":21891000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":22089000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":21207000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":27619000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":27619000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":27619000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":27619000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":27619000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":26546000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":26061000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":24524000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":21988000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":21988000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":21988000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":21988000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":21988000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":20578000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":20995000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":20247000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":18065000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":18065000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":18065000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":17470000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":15925000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"ReceivablesNetCurrent":{"label":"Receivables, Net, Current","description":"The total amount due to the entity within one year of the balance sheet date (or one operating cycle, if longer) from outside sources, including trade accounts receivable, notes and loans receivable, as well as any other types of receivables, net of allowances established for the purpose of reducing such receivables to an amount that approximates their net realizable value.","units":{"USD":[{"end":"2017-01-31","val":101549000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":101549000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":101549000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":101549000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":53022000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":84805000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":66170000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":130579000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":130579000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-01-31","val":130579000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":130579000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2017Q4I"},{"end":"2018-04-30","val":64686000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":96364000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":92586000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"}]}},"RepaymentsOfDebt":{"label":"Repayments of Debt","description":"The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.","units":{"USD":[{"start":"2020-02-01","end":"2020-04-30","val":0,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":0,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2021-02-01","end":"2021-04-30","val":1250000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":2500000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"}]}},"ResearchAndDevelopmentExpense":{"label":"Research and Development Expense","description":"The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":99314000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-04-30","val":24515000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":51150000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-05-01","end":"2016-07-31","val":26635000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2016Q2"},{"start":"2016-02-01","end":"2016-10-31","val":77118000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-08-01","end":"2016-10-31","val":25968000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2016Q3"},{"start":"2016-02-01","end":"2017-01-31","val":102309000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":102309000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":95831000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2017-02-01","end":"2017-04-30","val":95831000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":138675000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-07-31","val":138675000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-05-01","end":"2017-07-31","val":42844000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-05-01","end":"2017-07-31","val":42844000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2017Q2"},{"start":"2017-02-01","end":"2017-10-31","val":176770000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":176770000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-08-01","end":"2017-10-31","val":38095000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-08-01","end":"2017-10-31","val":38095000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2017Q3"},{"start":"2017-02-01","end":"2018-01-31","val":215695000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":215695000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":215695000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":43664000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"start":"2018-02-01","end":"2018-04-30","val":43664000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":83464000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-07-31","val":83464000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-05-01","end":"2018-07-31","val":39800000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-05-01","end":"2018-07-31","val":39800000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2018Q2"},{"start":"2018-02-01","end":"2018-10-31","val":121027000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2018-10-31","val":121027000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":37563000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":37563000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2018Q3"},{"start":"2018-02-01","end":"2019-01-31","val":173814000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":173814000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":173814000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":64173000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":64173000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":129915000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":129915000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":65742000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":65742000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2019Q2"},{"start":"2019-02-01","end":"2019-10-31","val":196572000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":196572000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-08-01","end":"2019-10-31","val":66657000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-08-01","end":"2019-10-31","val":66657000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2019Q3"},{"start":"2019-02-01","end":"2020-01-31","val":263566000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":263566000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":64216000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":64216000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":126520000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":126520000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-05-01","end":"2020-07-31","val":62304000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-05-01","end":"2020-07-31","val":62304000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q2"},{"start":"2020-02-01","end":"2020-10-31","val":182826000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-08-01","end":"2020-10-31","val":56306000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3"},{"start":"2020-02-01","end":"2021-01-31","val":244507000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":65825000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":136610000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2021-05-01","end":"2021-07-31","val":70785000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2"}]}},"RestrictedCashAndCashEquivalentsNoncurrent":{"label":"Restricted Cash and Cash Equivalents, Noncurrent","description":"Amount of cash and cash equivalents restricted as to withdrawal or usage, classified as noncurrent. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.","units":{"USD":[{"end":"2016-01-31","val":28000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015Q4I"},{"end":"2016-04-30","val":29000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1I"},{"end":"2016-07-31","val":26000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2016Q2I"},{"end":"2016-10-31","val":15446000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2016Q3I"},{"end":"2017-01-31","val":15446000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":15446000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":15446000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":15446000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":15448000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-04-30","val":15448000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1I"},{"end":"2017-07-31","val":18048000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-07-31","val":18048000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2017Q2I"},{"end":"2017-10-31","val":18050000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-10-31","val":18050000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2017Q3I"},{"end":"2018-01-31","val":18052000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":18052000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-01-31","val":18052000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":18052000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2017Q4I"},{"end":"2018-04-30","val":18023000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":18024000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":3352000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"}]}},"RestrictedCashNoncurrent":{"label":"Restricted Cash, Noncurrent","description":"Amount of cash restricted as to withdrawal or usage, classified as noncurrent. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.","units":{"USD":[{"end":"2017-01-31","val":15446000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016Q4I"},{"end":"2018-01-31","val":18052000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2018-01-31","val":18052000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017Q4I"},{"end":"2018-04-30","val":18023000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2018-04-30","val":18024000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2018Q1I"},{"end":"2018-07-31","val":18000000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2018Q2I"},{"end":"2018-10-31","val":3352000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":3367000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":3367000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":3367000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":3367000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":3367000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2019-01-31","val":3367000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018Q4I"},{"end":"2019-04-30","val":3352000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-04-30","val":3352000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":3352000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-07-31","val":3352000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":3352000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-10-31","val":3352000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2019Q3I"},{"end":"2020-01-31","val":3352000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":3352000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":3352000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-04-30","val":3352000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1I"},{"end":"2020-07-31","val":3352000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-07-31","val":3352000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q2I"},{"end":"2020-10-31","val":3352000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":3352000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"},{"end":"2021-04-30","val":3352000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":3352000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"RetainedEarningsAccumulatedDeficit":{"label":"Retained Earnings (Accumulated Deficit)","description":"The cumulative amount of the reporting entity's undistributed earnings or deficit.","units":{"USD":[{"end":"2017-01-31","val":-675997000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":-675997000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":-675997000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":-675997000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":-898316000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":-962545000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":-1017883000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":-1061790000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":-1061790000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-01-31","val":-1061790000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":-1061790000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2018-01-31","val":-956593000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2018-04-30","val":-1112831000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":-1146206000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":-1172740000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":-1149242000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":-1149242000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":-1149242000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":-1149242000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":-1149242000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":-1252372000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":-1339415000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":-1421537000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":-1485824000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":-1485824000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":-1485824000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":-1485824000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":-1485824000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":-1544636000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":-1580633000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":-1594578000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":-1649355000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":-1649355000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":-1649355000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":-1689756000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":-1722961000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"RevenueFromContractWithCustomerExcludingAssessedTax":{"label":"Revenue from Contract with Customer, Excluding Assessed Tax","description":"Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.","units":{"USD":[{"start":"2016-02-01","end":"2017-01-31","val":272543000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":80625000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":169424000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-05-01","end":"2017-07-31","val":89828000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-05-01","end":"2017-07-31","val":89212000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q2"},{"start":"2017-02-01","end":"2017-10-31","val":263993000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-08-01","end":"2017-10-31","val":94569000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-08-01","end":"2017-10-31","val":96721000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q3"},{"start":"2017-02-01","end":"2018-01-31","val":372293000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":372293000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2017-11-01","end":"2018-01-31","val":105735000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4"},{"start":"2018-02-01","end":"2018-04-30","val":103459000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2018-04-30","val":103459000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2018-02-01","end":"2018-04-30","val":103459000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":213045000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-07-31","val":216438000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-05-01","end":"2018-07-31","val":110338000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-05-01","end":"2018-07-31","val":112979000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-05-01","end":"2018-07-31","val":112979000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-05-01","end":"2018-07-31","val":112979000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q2"},{"start":"2018-02-01","end":"2018-10-31","val":331228000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2018-10-31","val":335426000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":118183000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":118988000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-08-01","end":"2018-10-31","val":118988000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":118988000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q3"},{"start":"2018-02-01","end":"2019-01-31","val":479941000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":479941000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":479941000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2018-11-01","end":"2019-01-31","val":144515000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-11-01","end":"2019-01-31","val":144515000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4"},{"start":"2019-02-01","end":"2019-04-30","val":187468000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":187468000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2019-04-30","val":187468000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":384179000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":384179000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":196711000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":196711000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-05-01","end":"2019-07-31","val":196711000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2019Q2"},{"start":"2019-02-01","end":"2019-10-31","val":582471000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":582471000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-08-01","end":"2019-10-31","val":198292000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-08-01","end":"2019-10-31","val":198292000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-08-01","end":"2019-10-31","val":198292000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2019Q3"},{"start":"2019-02-01","end":"2020-01-31","val":794191000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":794191000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2019-11-01","end":"2020-01-31","val":211720000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2019Q4"},{"start":"2020-02-01","end":"2020-04-30","val":210460000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":210460000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":424796000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":424796000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-05-01","end":"2020-07-31","val":214336000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-05-01","end":"2020-07-31","val":214336000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q2"},{"start":"2020-02-01","end":"2020-10-31","val":642695000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-08-01","end":"2020-10-31","val":217899000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3"},{"start":"2020-02-01","end":"2021-01-31","val":869258000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":224283000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":460340000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2021-05-01","end":"2021-07-31","val":236057000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2"}]}},"RevenueFromRelatedParties":{"label":"Revenue from Related Parties","description":"Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.","units":{"USD":[{"start":"2019-02-01","end":"2019-04-30","val":6700000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":12200000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":5500000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2019Q2"},{"start":"2019-02-01","end":"2019-10-31","val":14200000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-08-01","end":"2019-10-31","val":2000000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2019Q3"},{"start":"2020-02-01","end":"2020-04-30","val":1900000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":1900000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":4000000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":4000000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-05-01","end":"2020-07-31","val":2100000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-05-01","end":"2020-07-31","val":2100000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q2"},{"start":"2020-02-01","end":"2020-10-31","val":6200000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-08-01","end":"2020-10-31","val":2200000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3"},{"start":"2021-02-01","end":"2021-04-30","val":1600000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":2800000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2021-05-01","end":"2021-07-31","val":1200000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2"}]}},"RevenueRemainingPerformanceObligation":{"label":"Revenue, Remaining Performance Obligation, Amount","description":"Amount of transaction price allocated to performance obligation that has not been recognized as revenue.","units":{"USD":[{"end":"2019-01-31","val":803600000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2018Q4I"},{"end":"2019-04-30","val":719800000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-10-31","val":685700000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":877200000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2019Q4I"},{"end":"2020-04-30","val":827800000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":820200000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":827400000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":953700000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"},{"end":"2021-04-30","val":876300000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":865100000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"Revenues":{"label":"Revenues","description":"Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).","units":{"USD":[{"start":"2017-02-01","end":"2017-07-31","val":169424000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-05-01","end":"2017-07-31","val":89828000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2017Q2"},{"start":"2017-02-01","end":"2017-10-31","val":263993000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-08-01","end":"2017-10-31","val":94569000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2017Q3"},{"start":"2018-02-01","end":"2018-04-30","val":103459000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":213045000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-07-31","val":216438000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-05-01","end":"2018-07-31","val":110338000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-05-01","end":"2018-07-31","val":112979000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2018Q2"},{"start":"2018-02-01","end":"2018-10-31","val":331228000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2018-10-31","val":335426000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":118183000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":118988000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2018Q3"},{"start":"2019-02-01","end":"2019-04-30","val":187468000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":187468000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":384179000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":384179000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":196711000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":196711000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2019Q2"},{"start":"2019-02-01","end":"2019-10-31","val":582471000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":582471000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-08-01","end":"2019-10-31","val":198292000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-08-01","end":"2019-10-31","val":198292000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2019Q3"},{"start":"2020-02-01","end":"2020-04-30","val":210460000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":210460000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":424796000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":424796000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-05-01","end":"2020-07-31","val":214336000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-05-01","end":"2020-07-31","val":214336000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q2"},{"start":"2020-02-01","end":"2020-10-31","val":642695000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-08-01","end":"2020-10-31","val":217899000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3"},{"start":"2021-02-01","end":"2021-04-30","val":224283000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":460340000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2021-05-01","end":"2021-07-31","val":236057000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2"}]}},"RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability":{"label":"Right-of-Use Asset Obtained in Exchange for Operating Lease Liability","description":"Amount of increase in right-of-use asset obtained in exchange for operating lease liability.","units":{"USD":[{"start":"2017-02-01","end":"2018-01-31","val":0,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":0,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":0,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-02-01","end":"2019-01-31","val":0,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":0,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":4161000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":2429000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":2966000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":2966000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-02-01","end":"2019-10-31","val":3741000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":3741000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-02-01","end":"2020-01-31","val":7392000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":7392000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":476000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":476000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":6060000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":6060000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-02-01","end":"2020-10-31","val":8040000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-02-01","end":"2021-01-31","val":9412000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":1833000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":2647000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"}]}},"SalesRevenueServicesNet":{"label":"Sales Revenue, Services, Net (Deprecated 2018-01-31)","description":"Aggregate revenue during the period from services rendered in the normal course of business, after deducting allowances and discounts.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":166048000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-04-30","val":56485000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2016-02-01","end":"2016-04-30","val":56485000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":120941000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-05-01","end":"2016-07-31","val":64456000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-05-01","end":"2016-07-31","val":64456000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q2"},{"start":"2016-02-01","end":"2016-10-31","val":188199000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-08-01","end":"2016-10-31","val":67258000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-08-01","end":"2016-10-31","val":67258000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q3"},{"start":"2016-02-01","end":"2017-01-31","val":261026000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016"},{"start":"2016-11-01","end":"2017-01-31","val":72827000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4"},{"start":"2017-02-01","end":"2017-04-30","val":79596000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2017-02-01","end":"2017-04-30","val":79596000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2017-04-30","val":79596000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":169424000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-05-01","end":"2017-07-31","val":89828000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-05-01","end":"2017-07-31","val":89828000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017Q2"},{"start":"2017-02-01","end":"2017-10-31","val":263993000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-08-01","end":"2017-10-31","val":94569000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-08-01","end":"2017-10-31","val":94569000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017Q3"},{"start":"2017-02-01","end":"2018-01-31","val":367443000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017"},{"start":"2017-11-01","end":"2018-01-31","val":103450000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017Q4"},{"start":"2018-02-01","end":"2018-04-30","val":102707000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1"}]}},"SelfInsuranceReserveCurrent":{"label":"Self Insurance Reserve, Current","description":"Carrying amount of accrued known and estimated losses incurred as of the balance sheet date for which no insurance coverage exists, and for which a claim has been made or is probable of being asserted, typically arising from workmen's compensation-type of incidents and personal injury to nonemployees from accidents on the entity's property that are expected to be paid within one year (or the normal operating cycle, if longer).","units":{"USD":[{"end":"2017-01-31","val":746000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":746000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":746000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":746000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":858000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":938000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":1307000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":1285000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":1285000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-01-31","val":1285000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":1285000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2018-01-31","val":1285000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2018-04-30","val":1099000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":1257000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":1234000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":1185000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":1185000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q4I"},{"end":"2019-04-30","val":1292000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"}]}},"SelfInsuranceReserveNoncurrent":{"label":"Self Insurance Reserve, Noncurrent","description":"Carrying amount of accrued known and estimated losses incurred as of the balance sheet date for which no insurance coverage exists, and for which a claim has been made or is probable of being asserted, typically arising from workmen's compensation-type of incidents and personal injury to nonemployees from accidents on the entity's property that are expected to be paid after one year (or the normal operating cycle, if longer).","units":{"USD":[{"end":"2020-01-31","val":1743000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":1743000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-10-31","val":4425000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":4720000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":4720000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":4720000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":4862000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":4041000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"SellingAndMarketingExpense":{"label":"Selling and Marketing Expense","description":"The aggregate total amount of expenses directly related to the marketing or selling of products or services.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":161106000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-04-30","val":46142000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":93044000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-05-01","end":"2016-07-31","val":46902000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2016Q2"},{"start":"2016-02-01","end":"2016-10-31","val":147250000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-08-01","end":"2016-10-31","val":54206000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2016Q3"},{"start":"2016-02-01","end":"2017-01-31","val":203161000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":185421000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":110443000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2017-02-01","end":"2017-04-30","val":110443000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":172578000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-07-31","val":172578000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-05-01","end":"2017-07-31","val":62135000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-05-01","end":"2017-07-31","val":62135000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2017Q2"},{"start":"2017-02-01","end":"2017-10-31","val":236639000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":236639000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-08-01","end":"2017-10-31","val":64061000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-08-01","end":"2017-10-31","val":64061000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2017Q3"},{"start":"2017-02-01","end":"2018-01-31","val":298467000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":287196000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":287196000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":59777000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"start":"2018-02-01","end":"2018-04-30","val":61810000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":114943000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-07-31","val":115191000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-05-01","end":"2018-07-31","val":55166000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-05-01","end":"2018-07-31","val":53381000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2018Q2"},{"start":"2018-02-01","end":"2018-10-31","val":169870000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2018-10-31","val":170246000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":54927000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":55055000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2018Q3"},{"start":"2018-02-01","end":"2019-01-31","val":253164000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":253164000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":253164000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":119383000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":119383000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":231874000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":231874000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":112491000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":112491000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2019Q2"},{"start":"2019-02-01","end":"2019-10-31","val":349657000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":349657000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-08-01","end":"2019-10-31","val":117783000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-08-01","end":"2019-10-31","val":117783000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2019Q3"},{"start":"2019-02-01","end":"2020-01-31","val":467541000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":467541000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":113135000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":113135000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":218895000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":218895000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-05-01","end":"2020-07-31","val":105760000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-05-01","end":"2020-07-31","val":105760000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q2"},{"start":"2020-02-01","end":"2020-10-31","val":316847000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-08-01","end":"2020-10-31","val":97952000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3"},{"start":"2020-02-01","end":"2021-01-31","val":420501000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":107828000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":218085000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2021-05-01","end":"2021-07-31","val":110257000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2"}]}},"ShareBasedCompensation":{"label":"Share-based Payment Arrangement, Noncash Expense","description":"Amount of noncash expense for share-based payment arrangement.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":63590000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-04-30","val":5663000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":11241000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-02-01","end":"2016-10-31","val":16558000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-02-01","end":"2017-01-31","val":21714000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":21714000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":191082000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2017-02-01","end":"2017-04-30","val":191082000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":230533000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-07-31","val":230533000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-02-01","end":"2017-10-31","val":261680000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":261680000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-02-01","end":"2018-01-31","val":290006000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":290006000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":290006000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":25366000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"start":"2018-02-01","end":"2018-04-30","val":25366000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":45841000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-07-31","val":45841000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-02-01","end":"2018-10-31","val":67731000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2018-10-31","val":67731000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-02-01","end":"2019-01-31","val":117365000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":117365000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":117365000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":48871000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":48871000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":110604000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":110604000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-02-01","end":"2019-10-31","val":164818000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":164818000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-02-01","end":"2020-01-31","val":220354000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":220354000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":53438000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":53438000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":100055000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":100055000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-02-01","end":"2020-10-31","val":141911000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-02-01","end":"2021-01-31","val":188935000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":58624000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":117173000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost":{"label":"Share-based Payment Arrangement, Accelerated Cost","description":"Amount of additional cost recognized for award under share-based payment arrangement from occurrence of event accelerating recognition of cost.","units":{"USD":[{"start":"2018-02-01","end":"2019-01-31","val":6200000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018"},{"start":"2019-02-01","end":"2020-01-31","val":20900000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":20900000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2021-01-31","val":6600000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExpirations":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Expirations","description":"Number of shares under non-option equity instrument agreements for which rights to exercise lapsed.","units":{"shares":[{"start":"2016-02-01","end":"2017-01-31","val":882,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016"},{"start":"2017-02-01","end":"2018-01-31","val":230,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized","description":"Number of additional shares authorized for issuance under share-based payment arrangement.","units":{"shares":[{"start":"2016-02-01","end":"2017-01-31","val":10001250,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016"},{"start":"2017-02-01","end":"2018-01-31","val":32000000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant","description":"The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.","units":{"shares":[{"end":"2016-01-31","val":336697,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015Q4I"},{"end":"2017-01-31","val":581084,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2018-01-31","val":25617508,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017Q4I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number","description":"The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.","units":{"shares":[{"end":"2019-01-31","val":18871020,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2018Q4I"},{"end":"2020-01-31","val":13478227,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2019Q4I"},{"end":"2021-01-31","val":3382000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price","description":"The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.","units":{"USD/shares":[{"end":"2019-01-31","val":5.69,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2018Q4I"},{"end":"2020-01-31","val":5.91,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2019Q4I"},{"end":"2021-01-31","val":9.27,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value","description":"Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":160000000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-04-30","val":5900000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":12400000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-02-01","end":"2016-10-31","val":16200000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-02-01","end":"2017-01-31","val":18300000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":18300000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":7500000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2017-02-01","end":"2017-04-30","val":7500000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":12200000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-07-31","val":12200000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-02-01","end":"2017-10-31","val":21500000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":21500000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-02-01","end":"2018-01-31","val":64100000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":64100000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":64100000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":9800000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"start":"2018-02-01","end":"2018-04-30","val":9800000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":16900000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-07-31","val":16900000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-02-01","end":"2018-10-31","val":26300000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2018-10-31","val":26300000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-02-01","end":"2019-01-31","val":31200000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":31200000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":31200000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":6800000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":6800000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":11000000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-10-31","val":21200000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2020-01-31","val":26200000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":26200000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":800000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2021-01-31","val":75800000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period","description":"Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.","units":{"shares":[{"start":"2016-02-01","end":"2017-01-31","val":808462,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":88697,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":172419,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-10-31","val":268560,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2018-01-31","val":328116,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":216383,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":357062,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-10-31","val":452790,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2019-01-31","val":546847,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":265759,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":725784,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-10-31","val":839974,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2020-01-31","val":1191660,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":251319,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":704000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-10-31","val":874000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-02-01","end":"2021-01-31","val":950000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":76000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":139000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross","description":"Gross number of share options (or share units) granted during the period.","units":{"shares":[{"start":"2016-02-01","end":"2017-01-31","val":370480,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":9000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":39300,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-10-31","val":47400,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2018-01-31","val":47400,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017"},{"start":"2018-02-01","end":"2018-07-31","val":0,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-10-31","val":0,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2019-01-31","val":4076157,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2018"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value","description":"The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.","units":{"USD/shares":[{"start":"2015-02-01","end":"2016-01-31","val":15.54,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-04-30","val":11.3,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":10.24,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-02-01","end":"2016-10-31","val":10.13,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-02-01","end":"2017-01-31","val":9.37,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":9.37,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":5.63,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2017-02-01","end":"2017-04-30","val":5.63,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":8.83,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-07-31","val":8.83,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-02-01","end":"2017-10-31","val":8.67,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":8.67,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-02-01","end":"2018-01-31","val":8.67,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":8.67,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":8.67,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2019-01-31","val":4.58,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":4.58,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":4.58,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value","description":"Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.","units":{"USD":[{"end":"2016-01-31","val":497338000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015Q4I"},{"end":"2017-01-31","val":319016000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":319016000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":319016000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":319016000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":302525000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":279685000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":227510000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":252571000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":252571000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-01-31","val":252571000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":252571000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2018-01-31","val":252571000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2018-04-30","val":164886000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":145557000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":143819000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":154431000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":154431000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":154431000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":154431000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":154431000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":109329000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":34155000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":55442000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":70057000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":70057000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":70057000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":70057000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":70057000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":48971000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":18109000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":13052000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":21982000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":21982000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":21982000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":12919000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":17642000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number","description":"Number of options outstanding, including both vested and non-vested options.","units":{"shares":[{"end":"2016-01-31","val":24835286,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015Q4I"},{"end":"2017-01-31","val":23239679,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":23239679,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":23239679,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":23239679,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":22532213,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":22211442,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":21488742,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":18406920,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":18406920,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-01-31","val":18406920,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":18406920,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2018-01-31","val":18406920,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2018-04-30","val":17321258,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":16582851,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":15684289,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":19117696,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":19117696,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":19117696,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":19117696,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":19117696,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":18009956,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":16460694,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":14502380,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":13530363,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":13530363,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":13530000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":13530000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":13530000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":13124875,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":4989000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":4695000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":3383000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":3383000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":3383000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":2937000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":2618000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price","description":"Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.","units":{"USD/shares":[{"end":"2016-01-31","val":4.6,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015Q4I"},{"end":"2017-01-31","val":4.67,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":4.67,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":4.67,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":4.67,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":4.72,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":4.73,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":4.76,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":5.03,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":5.03,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-01-31","val":5.03,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":5.03,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2018-01-31","val":5.03,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2018-04-30","val":5.08,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":5.06,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":4.98,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":5.83,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":5.83,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":5.83,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":5.83,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":5.83,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":5.77,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":5.8,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":6.05,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":5.96,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":5.96,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":5.96,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":5.96,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":5.96,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":5.86,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":9.04,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":8.94,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":9.27,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":9.27,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":9.27,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":9.49,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":9.52,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value","description":"Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest exercisable or convertible options. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.","units":{"USD":[{"end":"2018-01-31","val":252571000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017Q4I"},{"end":"2019-01-31","val":154431000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2018Q4I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number","description":"Number of fully vested and expected to vest exercisable options that may be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.","units":{"shares":[{"end":"2018-01-31","val":18406920,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017Q4I"},{"end":"2019-01-31","val":19117696,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2018Q4I"},{"end":"2020-01-31","val":13530363,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2019Q4I"},{"end":"2021-01-31","val":3383000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price","description":"Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest exercisable or convertible options. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.","units":{"USD/shares":[{"end":"2018-01-31","val":5.03,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017Q4I"},{"end":"2019-01-31","val":5.83,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2018Q4I"},{"end":"2020-01-31","val":5.96,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2019Q4I"},{"end":"2021-01-31","val":9.27,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value","description":"Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.","units":{"USD":[{"end":"2018-01-31","val":248344000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017Q4I"},{"end":"2020-01-31","val":70057000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2019Q4I"},{"end":"2021-01-31","val":21982000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number","description":"Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.","units":{"shares":[{"end":"2018-01-31","val":17291561,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017Q4I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price","description":"Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.","units":{"USD/shares":[{"end":"2018-01-31","val":4.38,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017Q4I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost":{"label":"Share-based Payment Arrangement, Plan Modification, Incremental Cost","description":"An excess of the fair value of the modified award over the fair value of the award immediately before the modification.","units":{"USD":[{"start":"2018-02-01","end":"2019-01-31","val":6200000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2018"}]}},"ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice":{"label":"Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price","description":"Weighted average price at which option holders acquired shares when converting their stock options into shares.","units":{"USD/shares":[{"start":"2016-02-01","end":"2017-01-31","val":3.1,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":2.36,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":2.31,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-10-31","val":2.31,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2018-01-31","val":2.67,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":3.89,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":3.57,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-10-31","val":4.1,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2019-01-31","val":3.87,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":3.57,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":2.53,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-10-31","val":2.85,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2020-01-31","val":2.88,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":3.15,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":3.31,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-10-31","val":3.31,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-02-01","end":"2021-01-31","val":3.89,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":6.07,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":6.49,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"}]}},"ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice":{"label":"Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price","description":"Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.","units":{"USD/shares":[{"start":"2016-02-01","end":"2017-01-31","val":10.74,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":10.44,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":12.3,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-10-31","val":13.51,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2018-01-31","val":14.23,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":5.82,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":9.93,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-10-31","val":11.63,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2019-01-31","val":12.5,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":16.73,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":15.42,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-10-31","val":15.42,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2020-01-31","val":15.25,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":12.97,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":13.62,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-10-31","val":14.1,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-02-01","end":"2021-01-31","val":14.22,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":16.44,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":17.06,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"}]}},"ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice":{"label":"Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price","description":"Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.","units":{"USD/shares":[{"start":"2016-02-01","end":"2017-01-31","val":17.85,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":17.85,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":20.67,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-10-31","val":20.1,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2018-01-31","val":20.1,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017"},{"start":"2018-02-01","end":"2019-01-31","val":8.98,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2018"}]}},"SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value","description":"Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.","units":{"USD":[{"end":"2019-01-31","val":154226000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2018Q4I"},{"end":"2020-01-31","val":70057000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2019Q4I"},{"end":"2021-01-31","val":21982000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"}]}},"SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value","description":"Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.","units":{"USD":[{"start":"2017-02-01","end":"2018-01-31","val":15200000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2019-01-31","val":27900000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":27900000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2020-01-31","val":1600000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":1600000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2021-01-31","val":400000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"}]}},"SharesPaidForTaxWithholdingForShareBasedCompensation":{"label":"Share-based Payment Arrangement, Shares Withheld for Tax Withholding Obligation","description":"Number of shares used to settle grantee's tax withholding obligation for award under share-based payment arrangement.","units":{"shares":[{"start":"2017-02-01","end":"2018-01-31","val":3600767,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017"}]}},"ShortTermLeaseCost":{"label":"Short-term Lease, Cost","description":"Amount of short-term lease cost, excluding expense for lease with term of one month or less.","units":{"USD":[{"start":"2019-02-01","end":"2019-04-30","val":571000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":571000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":1199000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":1199000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":628000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":628000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2019Q2"},{"start":"2019-02-01","end":"2019-10-31","val":1799000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":1799000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-08-01","end":"2019-10-31","val":600000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-08-01","end":"2019-10-31","val":600000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2019Q3"},{"start":"2019-02-01","end":"2020-01-31","val":2276000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":2276000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":479000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":479000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":959000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":959000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-05-01","end":"2020-07-31","val":480000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-05-01","end":"2020-07-31","val":480000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q2"},{"start":"2020-02-01","end":"2020-10-31","val":1416000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-08-01","end":"2020-10-31","val":457000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3"},{"start":"2020-02-01","end":"2021-01-31","val":1782000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":327000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":713000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2021-05-01","end":"2021-07-31","val":386000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2"}]}},"StockholdersEquity":{"label":"Stockholders' Equity Attributable to Parent","description":"Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.","units":{"USD":[{"end":"2015-01-31","val":-222640000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2014Q4I"},{"end":"2016-01-31","val":-343509000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2016-01-31","val":-283365000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2015Q4I"},{"end":"2017-01-31","val":-483756000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":-483756000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":-483756000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":-483756000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2017-01-31","val":-394680000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2017-01-31","val":-394680000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2016Q4I"},{"end":"2017-04-30","val":-513468000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":355388000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":330088000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":322977000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":322977000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-01-31","val":322977000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":322977000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2018-01-31","val":428174000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2018-01-31","val":428174000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2018-01-31","val":428174000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2018-01-31","val":428174000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2018-01-31","val":428174000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2018-01-31","val":428174000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2017Q4I"},{"end":"2018-04-30","val":299532000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-04-30","val":403448000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2018-04-30","val":403448000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2018Q1I"},{"end":"2018-07-31","val":291274000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-07-31","val":399616000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2018-07-31","val":399616000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":286565000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2018-10-31","val":395584000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":1562069000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":1562069000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":1562069000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":1562069000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":1562069000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2019-01-31","val":1562069000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2019-01-31","val":1562069000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2019-01-31","val":1562069000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2019-01-31","val":1562069000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018Q4I"},{"end":"2019-04-30","val":1503350000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-04-30","val":1503350000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-04-30","val":1503350000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2019-04-30","val":1503350000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2019Q1I"},{"end":"2019-07-31","val":1475496000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-07-31","val":1475496000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-07-31","val":1475496000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2019-07-31","val":1475496000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":1448861000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-10-31","val":1448861000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2019Q3I"},{"end":"2020-01-31","val":1438369000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":1438369000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":1438369000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":1438369000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":1438369000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2020-01-31","val":1438369000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2020-01-31","val":1438369000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2019Q4I"},{"end":"2020-04-30","val":1393463000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-04-30","val":1393463000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-04-30","val":1393463000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2020-04-30","val":1393463000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q1I"},{"end":"2020-07-31","val":1428539000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-07-31","val":1428539000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-07-31","val":1428539000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q2I"},{"end":"2020-10-31","val":1449533000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":1127930000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":1127930000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":1127930000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":1110971000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-04-30","val":1110971000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q1I"},{"end":"2021-07-31","val":1112149000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"StockIssuedDuringPeriodSharesStockOptionsExercised":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period","description":"Number of share options (or share units) exercised during the current period.","units":{"shares":[{"start":"2016-02-01","end":"2017-01-31","val":1157625,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":627769,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":895118,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-10-31","val":1529777,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2018-01-31","val":4552043,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":869279,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":1467007,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-10-31","val":2269841,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2019-01-31","val":2818534,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":841981,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":1931218,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-10-31","val":3775342,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2020-01-31","val":4395673,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":154169,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":7837000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-10-31","val":7961000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-02-01","end":"2021-01-31","val":9197000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":370000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":626000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"}]}},"StockIssuedDuringPeriodValueAcquisitions":{"label":"Stock Issued During Period, Value, Acquisitions","description":"Value of stock issued pursuant to acquisitions during the period.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":9542000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2017-02-01","end":"2018-01-31","val":2081000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":2081000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":2081000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2019-01-31","val":1202428000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":1202428000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":1202428000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"}]}},"StockIssuedDuringPeriodValueConversionOfConvertibleSecurities":{"label":"Stock Issued During Period, Value, Conversion of Convertible Securities","description":"The gross value of stock issued during the period upon the conversion of convertible securities.","units":{"USD":[{"start":"2017-02-01","end":"2018-01-31","val":657687000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":657687000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":657687000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"}]}},"StockIssuedDuringPeriodValueEmployeeBenefitPlan":{"label":"Stock Issued During Period, Value, Employee Benefit Plan","description":"Value of shares issued during the period to an employee benefit plan, such as a defined contribution or defined benefit plan.","units":{"USD":[{"start":"2017-02-01","end":"2018-01-31","val":21435000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-07-31","val":5231000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-05-01","end":"2018-07-31","val":1852000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2018Q2"},{"start":"2018-02-01","end":"2018-10-31","val":9312000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":4081000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2018Q3"},{"start":"2018-02-01","end":"2019-01-31","val":22179000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":22179000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":3003000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":4888000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":4888000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":1885000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":1885000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2019Q2"},{"start":"2019-02-01","end":"2019-10-31","val":10744000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":10744000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-08-01","end":"2019-10-31","val":5856000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-08-01","end":"2019-10-31","val":5856000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2019Q3"},{"start":"2019-02-01","end":"2020-01-31","val":12676000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":12676000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":443000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":443000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":25961000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":25961000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-05-01","end":"2020-07-31","val":25518000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-05-01","end":"2020-07-31","val":25518000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q2"},{"start":"2020-02-01","end":"2020-10-31","val":26353000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-08-01","end":"2020-10-31","val":392000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3"},{"start":"2020-02-01","end":"2021-01-31","val":35770000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":2246000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":4062000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2021-05-01","end":"2021-07-31","val":1815000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2"}]}},"StockIssuedDuringPeriodValueEmployeeStockPurchasePlan":{"label":"Stock Issued During Period, Value, Employee Stock Purchase Plan","description":"Aggregate change in value for stock issued during the period as a result of employee stock purchase plan.","units":{"USD":[{"start":"2016-02-01","end":"2017-01-31","val":3594000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2018-01-31","val":21435000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":3379000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":6217000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-05-01","end":"2018-07-31","val":6217000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2018Q2"},{"start":"2018-02-01","end":"2018-10-31","val":6217000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-02-01","end":"2019-01-31","val":22179000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":3003000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":3590000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":3590000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":3590000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":3590000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2019Q2"},{"start":"2019-02-01","end":"2019-10-31","val":3590000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":3590000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-02-01","end":"2020-01-31","val":12156000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":12156000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-07-31","val":7730000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":7730000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-05-01","end":"2020-07-31","val":7730000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-05-01","end":"2020-07-31","val":7730000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q2"},{"start":"2020-02-01","end":"2020-10-31","val":7730000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-02-01","end":"2021-01-31","val":15394000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-07-31","val":7789000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2021-05-01","end":"2021-07-31","val":7789000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2"}]}},"StockIssuedDuringPeriodValueNewIssues":{"label":"Stock Issued During Period, Value, New Issues","description":"Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.","units":{"USD":[{"start":"2017-02-01","end":"2018-01-31","val":235366000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017"}]}},"StockIssuedDuringPeriodValueRestrictedStockAwardGross":{"label":"Stock Issued During Period, Value, Restricted Stock Award, Gross","description":"Aggregate value of stock related to Restricted Stock Awards issued during the period.","units":{"USD":[{"start":"2018-02-01","end":"2018-07-31","val":1000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-05-01","end":"2018-07-31","val":1000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2018Q2"},{"start":"2018-02-01","end":"2018-10-31","val":1000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":0,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2018Q3"},{"start":"2019-02-01","end":"2019-04-30","val":0,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":0,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":0,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":0,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":0,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2019Q2"},{"start":"2019-02-01","end":"2019-10-31","val":0,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":0,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-08-01","end":"2019-10-31","val":0,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-08-01","end":"2019-10-31","val":0,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2019Q3"},{"start":"2019-02-01","end":"2020-01-31","val":2000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":2000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":0,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":0,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":0,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-05-01","end":"2020-07-31","val":0,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2"},{"start":"2020-02-01","end":"2020-10-31","val":1000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-08-01","end":"2020-10-31","val":1000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3"},{"start":"2020-02-01","end":"2021-01-31","val":0,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-07-31","val":0,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"}]}},"StockIssuedDuringPeriodValueStockOptionsExercised":{"label":"Stock Issued During Period, Value, Stock Options Exercised","description":"Value of stock issued as a result of the exercise of stock options.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":10865000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2017-01-31","val":3594000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016"},{"start":"2017-02-01","end":"2018-01-31","val":21435000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017"}]}},"StockRepurchaseProgramAuthorizedAmount1":{"label":"Stock Repurchase Program, Authorized Amount","description":"Amount of stock repurchase plan authorized.","units":{"USD":[{"end":"2020-03-03","val":100000000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-03-03","val":100000000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-03-03","val":100000000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q1I"},{"end":"2021-04-30","val":600000000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":600000000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1":{"label":"Stock Repurchase Program, Remaining Authorized Repurchase Amount","description":"Amount remaining of a stock repurchase plan authorized.","units":{"USD":[{"end":"2020-04-30","val":74000000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":74000000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":74000000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":259900000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"},{"end":"2021-04-30","val":240900000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":230800000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"SubleaseIncome":{"label":"Sublease Income","description":"Amount of sublease income excluding finance and operating lease expense.","units":{"USD":[{"start":"2019-02-01","end":"2019-04-30","val":3955000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":3955000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":7923000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":7923000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":3968000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":3968000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2019Q2"},{"start":"2019-02-01","end":"2019-10-31","val":11816000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":11816000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-08-01","end":"2019-10-31","val":3893000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-08-01","end":"2019-10-31","val":3893000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2019Q3"},{"start":"2019-02-01","end":"2020-01-31","val":15730000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":15730000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":3922000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":3922000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":7527000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":7527000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-05-01","end":"2020-07-31","val":3605000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-05-01","end":"2020-07-31","val":3605000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q2"},{"start":"2020-02-01","end":"2020-10-31","val":11133000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-08-01","end":"2020-10-31","val":3606000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3"},{"start":"2020-02-01","end":"2021-01-31","val":14730000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":3579000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":7057000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2021-05-01","end":"2021-07-31","val":3478000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2"}]}},"TangibleAssetImpairmentCharges":{"label":"Tangible Asset Impairment Charges","description":"The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":0,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2017-01-31","val":0,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":0,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2018-01-31","val":0,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":0,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":0,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2019-01-31","val":0,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":0,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":0,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2020-01-31","val":0,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":0,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2021-01-31","val":0,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"}]}},"TaxesPayableCurrent":{"label":"Taxes Payable, Current","description":"Carrying value as of the balance sheet date of obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).","units":{"USD":[{"end":"2017-01-31","val":1585000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":1585000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":1585000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":1585000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":1367000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":2241000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":2383000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":2092000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":2092000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"end":"2018-01-31","val":2092000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"end":"2018-01-31","val":2092000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"end":"2018-01-31","val":2092000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017Q4I"},{"end":"2018-04-30","val":1734000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1I"},{"end":"2018-07-31","val":2458000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2018Q2I"},{"end":"2018-10-31","val":2815000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2018Q3I"},{"end":"2019-01-31","val":3731000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":3731000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"end":"2019-01-31","val":3731000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"end":"2019-01-31","val":3731000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"end":"2019-01-31","val":3731000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-04-30","val":4447000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2019Q1I"},{"end":"2019-07-31","val":4043000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2019Q2I"},{"end":"2019-10-31","val":4627000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2019Q3I"},{"end":"2020-01-31","val":5164000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":5164000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"end":"2020-01-31","val":5164000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"end":"2020-01-31","val":5164000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"end":"2020-01-31","val":5164000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2020-04-30","val":4802000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1I"},{"end":"2020-07-31","val":4109000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2I"},{"end":"2020-10-31","val":4236000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3I"},{"end":"2021-01-31","val":5596000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"end":"2021-01-31","val":5596000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04"},{"end":"2021-01-31","val":5596000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q4I"},{"end":"2021-04-30","val":3823000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1I"},{"end":"2021-07-31","val":3262000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2I"}]}},"TechnologyServicesCosts":{"label":"Technology Services Costs (Deprecated 2018-01-31)","description":"Costs incurred in providing technology services. The services may include training, installation, engineering or consulting. Consulting services often include implementation support, software design or development, or the customization or modification of the licensed software.","units":{"USD":[{"start":"2016-02-01","end":"2016-10-31","val":35969000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-08-01","end":"2016-10-31","val":12652000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2016Q3"},{"start":"2017-02-01","end":"2017-04-30","val":33640000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-10-31","val":69035000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-08-01","end":"2017-10-31","val":18640000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3"},{"start":"2018-02-01","end":"2018-04-30","val":17544000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1"}]}},"TechnologyServicesRevenue":{"label":"Technology Services Revenue (Deprecated 2018-01-31)","description":"Revenue from providing technology services. The services may include training, installation, engineering or consulting. Consulting services often include implementation support, software design or development, or the customization or modification of the licensed software.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":46898000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-10-31","val":44106000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-08-01","end":"2016-10-31","val":14525000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2016Q3"},{"start":"2016-02-01","end":"2017-01-31","val":60774000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":14925000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-10-31","val":47231000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-08-01","end":"2017-10-31","val":16464000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3"},{"start":"2017-02-01","end":"2018-01-31","val":66421000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":16808000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2018Q1"}]}},"TemporaryEquityCarryingAmountAttributableToParent":{"label":"Temporary Equity, Carrying Amount, Attributable to Parent","description":"Carrying amount, attributable to parent, of an entity's issued and outstanding stock which is not included within permanent equity. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. Includes stock with a put option held by an ESOP and stock redeemable by a holder only in the event of a change in control of the issuer.","units":{"USD":[{"end":"2016-01-31","val":657687000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2015Q4I"},{"end":"2017-01-31","val":657687000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":657687000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"end":"2017-01-31","val":657687000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"end":"2017-01-31","val":657687000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2017-01-31","val":657687000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2017-01-31","val":657687000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2016Q4I"},{"end":"2017-04-30","val":657687000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2017-07-31","val":0,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2017Q2I"},{"end":"2017-10-31","val":0,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2017Q3I"},{"end":"2018-01-31","val":0,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":0,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2018-01-31","val":0,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017Q4I"}]}},"TemporaryEquityLiquidationPreference":{"label":"Temporary Equity, Liquidation Preference","description":"The aggregate liquidation preference (or restrictions) of stock classified as temporary equity that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. If convertible, the issuer does not control the actions or events necessary to issue the maximum number of shares that could be required to be delivered under the conversion option if the holder exercises the option to convert the stock to another class of equity. If the security is a warrant or a rights issue, the warrant or rights issue is considered to be temporary equity if the issuer cannot demonstrate that it would be able to deliver upon the exercise of the option by the holder in all cases. Includes stock with put option held by ESOP and stock redeemable by holder only in the event of a change in control of the issuer.","units":{"USD":[{"end":"2017-01-31","val":670875000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":670875000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":670875000,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2018-01-31","val":0,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017Q4I"}]}},"TemporaryEquityParOrStatedValuePerShare":{"label":"Temporary Equity, Par or Stated Value Per Share","description":"Per share amount of par value or stated value of stock classified as temporary equity. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable.","units":{"USD/shares":[{"end":"2017-01-31","val":0.00005,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2018-01-31","val":0.00005,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017Q4I"}]}},"TemporaryEquitySharesAuthorized":{"label":"Temporary Equity, Shares Authorized","description":"The maximum number of securities classified as temporary equity that are permitted to be issued by an entity's charter and bylaws. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. If convertible, the issuer does not control the actions or events necessary to issue the maximum number of shares that could be required to be delivered under the conversion option if the holder exercises the option to convert the stock to another class of equity. If the security is a warrant or a rights issue, the warrant or rights issue is considered to be temporary equity if the issuer cannot demonstrate that it would be able to deliver upon the exercise of the option by the holder in all cases. Includes stock with put option held by ESOP and stock redeemable by holder only in the event of a change in control of the issuer.","units":{"shares":[{"end":"2017-01-31","val":74907415,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":74907415,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":74907415,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2018-01-31","val":0,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017Q4I"}]}},"TemporaryEquitySharesIssued":{"label":"Temporary Equity, Shares Issued","description":"The number of securities classified as temporary equity that have been sold (or granted) to the entity's shareholders. Securities issued include securities outstanding and securities held in treasury. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. If convertible, the issuer does not control the actions or events necessary to issue the maximum number of shares that could be required to be delivered under the conversion option if the holder exercises the option to convert the stock to another class of equity. If the security is a warrant or a rights issue, the warrant or rights issue is considered to be temporary equity if the issuer cannot demonstrate that it would be able to deliver upon the exercise of the option by the holder in all cases. Includes stock with put option held by ESOP and stock redeemable by holder only in the event of a change in control of the issuer.","units":{"shares":[{"end":"2017-01-31","val":74907415,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":74907415,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"},{"end":"2017-04-30","val":74907415,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2018-01-31","val":0,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017Q4I"}]}},"TemporaryEquitySharesOutstanding":{"label":"Temporary Equity, Shares Outstanding","description":"The number of securities classified as temporary equity that have been issued and are held by the entity's shareholders. Securities outstanding equals securities issued minus securities held in treasury. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. If convertible, the issuer does not control the actions or events necessary to issue the maximum number of shares that could be required to be delivered under the conversion option if the holder exercises the option to convert the stock to another class of equity. If the security is a warrant or a rights issue, the warrant or rights issue is considered to be temporary equity if the issuer cannot demonstrate that it would be able to deliver upon the exercise of the option by the holder in all cases. Includes stock with put option held by ESOP and stock redeemable by holder only in the event of a change in control of the issuer.","units":{"shares":[{"end":"2016-01-31","val":74907415,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2015Q4I"},{"end":"2017-01-31","val":74907415,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"end":"2017-01-31","val":74907415,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2017-01-31","val":74907415,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2017-01-31","val":74907415,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2016Q4I"},{"end":"2017-04-30","val":74907415,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2017Q1I"},{"end":"2018-01-31","val":0,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":0,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2018-01-31","val":0,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017Q4I"}]}},"TreasuryStockAcquiredAverageCostPerShare":{"label":"Treasury Stock Acquired, Average Cost Per Share","description":"Total cost of shares repurchased divided by the total number of shares repurchased.","units":{"USD/shares":[{"start":"2020-02-01","end":"2020-04-30","val":6.56,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":6.56,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":6.56,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":6.56,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-05-01","end":"2020-07-31","val":6.56,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q2"},{"start":"2020-02-01","end":"2020-10-31","val":6.56,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2021-02-01","end":"2021-04-30","val":12.29,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":12.18,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2021-05-01","end":"2021-07-31","val":11.97,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2"}]}},"TreasuryStockSharesAcquired":{"label":"Treasury Stock, Shares, Acquired","description":"Number of shares that have been repurchased during the period and are being held in treasury.","units":{"shares":[{"start":"2020-02-01","end":"2020-04-30","val":3900000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":3900000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":3900000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":3900000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-05-01","end":"2020-07-31","val":0,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-05-01","end":"2020-07-31","val":3900000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q2"},{"start":"2020-02-01","end":"2020-10-31","val":3900000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-08-01","end":"2020-10-31","val":0,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3"},{"start":"2021-02-01","end":"2021-04-30","val":1500000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":2400000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2021-05-01","end":"2021-07-31","val":800000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2"}]}},"TreasuryStockValueAcquiredCostMethod":{"label":"Treasury Stock, Value, Acquired, Cost Method","description":"Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.","units":{"USD":[{"start":"2020-02-01","end":"2020-04-30","val":25974000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05"},{"start":"2020-02-01","end":"2020-04-30","val":25974000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":25974000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-02-01","end":"2020-07-31","val":25974000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-02-01","end":"2020-10-31","val":25974000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-02-01","end":"2021-01-31","val":340066000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"},{"start":"2021-02-01","end":"2021-04-30","val":18945000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":29088000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2021-05-01","end":"2021-07-31","val":10143000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2"}]}},"UndistributedEarningsOfForeignSubsidiaries":{"label":"Undistributed Earnings of Foreign Subsidiaries","description":"Amount of undistributed earnings of foreign subsidiaries intended to be permanently reinvested outside the country of domicile.","units":{"USD":[{"end":"2017-01-31","val":4800000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016Q4I"}]}},"UnrecognizedTaxBenefits":{"label":"Unrecognized Tax Benefits","description":"Amount of unrecognized tax benefits.","units":{"USD":[{"end":"2015-01-31","val":4200000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2014Q4I"},{"end":"2016-01-31","val":6500000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2016-01-31","val":6500000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2015Q4I"},{"end":"2017-01-31","val":9600000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2017-01-31","val":9600000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2017-01-31","val":9600000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2016Q4I"},{"end":"2018-01-31","val":11700000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"end":"2018-01-31","val":11700000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2018-01-31","val":11700000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2018-01-31","val":11700000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2017Q4I"},{"end":"2019-01-31","val":18600000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"end":"2019-01-31","val":18600000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2019-01-31","val":18600000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018Q4I"},{"end":"2020-01-31","val":24400000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2020-01-31","val":24400000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019Q4I"},{"end":"2021-01-31","val":27800000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"}]}},"UnrecognizedTaxBenefitsDecreasesResultingFromCurrentPeriodTaxPositions":{"label":"Unrecognized Tax Benefits, Decrease Resulting from Current Period Tax Positions","description":"Amount of decrease in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.","units":{"USD":[{"start":"2016-02-01","end":"2017-01-31","val":0,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2018-01-31","val":0,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":0,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2019-01-31","val":1000000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":1000000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":1000000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2020-01-31","val":0,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":0,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2021-01-31","val":0,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"}]}},"UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued":{"label":"Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued","description":"Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.","units":{"USD":[{"end":"2018-01-31","val":0,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017Q4I"},{"end":"2019-01-31","val":0,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2018Q4I"},{"end":"2020-01-31","val":0,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2019Q4I"},{"end":"2021-01-31","val":0,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"}]}},"UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions":{"label":"Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions","description":"Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.","units":{"USD":[{"start":"2015-02-01","end":"2016-01-31","val":2300000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2017-01-31","val":3100000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":3100000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2018-01-31","val":2100000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":2100000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":2100000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2019-01-31","val":7900000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":7900000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":7900000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2020-01-31","val":5200000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":5200000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2021-01-31","val":3400000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"}]}},"UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions":{"label":"Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions","description":"Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.","units":{"USD":[{"start":"2017-02-01","end":"2018-01-31","val":0,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2019-01-31","val":0,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":0,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2020-01-31","val":600000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":600000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2021-01-31","val":0,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"}]}},"UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate":{"label":"Unrecognized Tax Benefits that Would Impact Effective Tax Rate","description":"The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.","units":{"USD":[{"end":"2018-01-31","val":900000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2017Q4I"},{"end":"2019-01-31","val":-1100000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2018Q4I"},{"end":"2020-01-31","val":1600000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2019Q4I"},{"end":"2021-01-31","val":2200000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020Q4I"}]}},"ValuationAllowanceDeferredTaxAssetChangeInAmount":{"label":"Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount","description":"Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.","units":{"USD":[{"start":"2016-02-01","end":"2017-01-31","val":60000000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2016"},{"start":"2017-02-01","end":"2018-01-31","val":71800000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":78900000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2017"},{"start":"2018-02-01","end":"2019-01-31","val":182900000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":182900000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018"},{"start":"2019-02-01","end":"2020-01-31","val":5400000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":5400000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2021-01-31","val":65700000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"}]}},"WeightedAverageNumberOfDilutedSharesOutstanding":{"label":"Weighted Average Number of Shares Outstanding, Diluted","description":"The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.","units":{"shares":[{"start":"2020-02-01","end":"2020-04-30","val":295293000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":297724000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-05-01","end":"2020-07-31","val":300103000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q2"},{"start":"2021-02-01","end":"2021-04-30","val":292535000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":293447000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2021-05-01","end":"2021-07-31","val":294330000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2"}]}},"WeightedAverageNumberOfShareOutstandingBasicAndDiluted":{"label":"Weighted Average Number of Shares Outstanding, Basic and Diluted","description":"Average number of shares or units issued and outstanding that are used in calculating basic and diluted earnings per share (EPS).","units":{"shares":[{"start":"2015-02-01","end":"2016-01-31","val":32724000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04","frame":"CY2015"},{"start":"2016-02-01","end":"2016-04-30","val":35920537,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09","frame":"CY2016Q1"},{"start":"2016-02-01","end":"2016-07-31","val":36090000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2016-05-01","end":"2016-07-31","val":36257000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12","frame":"CY2016Q2"},{"start":"2016-02-01","end":"2016-10-31","val":36261000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2016-08-01","end":"2016-10-31","val":36598000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08","frame":"CY2016Q3"},{"start":"2016-02-01","end":"2017-01-31","val":36406000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2016-02-01","end":"2017-01-31","val":36406000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29","frame":"CY2016"},{"start":"2017-02-01","end":"2017-04-30","val":38487424,"accn":"0001628280-17-006344","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-06-09"},{"start":"2017-02-01","end":"2017-04-30","val":38487000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06","frame":"CY2017Q1"},{"start":"2017-02-01","end":"2017-07-31","val":87293000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-02-01","end":"2017-07-31","val":87293000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2017-05-01","end":"2017-07-31","val":134506000,"accn":"0001628280-17-009243","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-09-12"},{"start":"2017-05-01","end":"2017-07-31","val":134506000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06","frame":"CY2017Q2"},{"start":"2017-02-01","end":"2017-10-31","val":104551000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-02-01","end":"2017-10-31","val":104551000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2017-08-01","end":"2017-10-31","val":138506000,"accn":"0001628280-17-012249","fy":2018,"fp":"Q3","form":"10-Q","filed":"2017-12-08"},{"start":"2017-08-01","end":"2017-10-31","val":138506000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06","frame":"CY2017Q3"},{"start":"2017-02-01","end":"2018-01-31","val":114141000,"accn":"0001628280-18-004005","fy":2018,"fp":"FY","form":"10-K","filed":"2018-04-04"},{"start":"2017-02-01","end":"2018-01-31","val":114141000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2017-02-01","end":"2018-01-31","val":114141000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2017"},{"start":"2018-02-01","end":"2018-04-30","val":146678000,"accn":"0001628280-18-007661","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-06-06"},{"start":"2018-02-01","end":"2018-04-30","val":146678000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05","frame":"CY2018Q1"},{"start":"2018-02-01","end":"2018-07-31","val":148115000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-02-01","end":"2018-07-31","val":148115000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2018-05-01","end":"2018-07-31","val":149505000,"accn":"0001628280-18-011639","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-09-06"},{"start":"2018-05-01","end":"2018-07-31","val":149505000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04","frame":"CY2018Q2"},{"start":"2018-02-01","end":"2018-10-31","val":149507000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-02-01","end":"2018-10-31","val":149507000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":152245000,"accn":"0001628280-18-014845","fy":2019,"fp":"Q3","form":"10-Q","filed":"2018-12-06"},{"start":"2018-08-01","end":"2018-10-31","val":152245000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06","frame":"CY2018Q3"},{"start":"2018-02-01","end":"2019-01-31","val":159816000,"accn":"0001628280-19-003670","fy":2019,"fp":"FY","form":"10-K","filed":"2019-03-29"},{"start":"2018-02-01","end":"2019-01-31","val":159816000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2018-02-01","end":"2019-01-31","val":159816000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2018"},{"start":"2019-02-01","end":"2019-04-30","val":271352000,"accn":"0001628280-19-007611","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-06-05"},{"start":"2019-02-01","end":"2019-04-30","val":271352000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2019Q1"},{"start":"2019-02-01","end":"2019-07-31","val":274207000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-02-01","end":"2019-07-31","val":274207000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":276778000,"accn":"0001628280-19-011400","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-09-04"},{"start":"2019-05-01","end":"2019-07-31","val":276778000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2019Q2"},{"start":"2019-02-01","end":"2019-10-31","val":277260000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-02-01","end":"2019-10-31","val":277260000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2019-08-01","end":"2019-10-31","val":283267000,"accn":"0001628280-19-014815","fy":2020,"fp":"Q3","form":"10-Q","filed":"2019-12-06"},{"start":"2019-08-01","end":"2019-10-31","val":283267000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2019Q3"},{"start":"2019-02-01","end":"2020-01-31","val":280772000,"accn":"0001628280-20-004231","fy":2020,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"start":"2019-02-01","end":"2020-01-31","val":280772000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-02-01","end":"2020-04-30","val":295293000,"accn":"0001628280-20-009075","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-06-05","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":297724000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04"},{"start":"2020-05-01","end":"2020-07-31","val":300103000,"accn":"0001628280-20-013328","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-09-04","frame":"CY2020Q2"},{"start":"2020-02-01","end":"2020-10-31","val":302185000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04"},{"start":"2020-08-01","end":"2020-10-31","val":311009000,"accn":"0001628280-20-017108","fy":2021,"fp":"Q3","form":"10-Q","filed":"2020-12-04","frame":"CY2020Q3"},{"start":"2020-02-01","end":"2021-01-31","val":302522000,"accn":"0001628280-21-005632","fy":2021,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2020"}]}},"WeightedAverageNumberOfSharesOutstandingBasic":{"label":"Weighted Average Number of Shares Outstanding, Basic","description":"Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.","units":{"shares":[{"start":"2020-02-01","end":"2020-04-30","val":295293000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2020Q1"},{"start":"2020-02-01","end":"2020-07-31","val":297724000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2020-05-01","end":"2020-07-31","val":300103000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2020Q2"},{"start":"2021-02-01","end":"2021-04-30","val":292535000,"accn":"0001628280-21-011680","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-06-04","frame":"CY2021Q1"},{"start":"2021-02-01","end":"2021-07-31","val":293447000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02"},{"start":"2021-05-01","end":"2021-07-31","val":294330000,"accn":"0001628280-21-018015","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-09-02","frame":"CY2021Q2"}]}}}}}