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Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).","units":{"USD":[{"end":"2011-07-31","val":1151000,"accn":"0001445305-12-002865","fy":2012,"fp":"FY","form":"10-K","filed":"2012-09-14","frame":"CY2011Q2I"},{"end":"2012-07-31","val":690000,"accn":"0001445305-12-002865","fy":2012,"fp":"FY","form":"10-K","filed":"2012-09-14"},{"end":"2012-07-31","val":690000,"accn":"0001223862-13-000026","fy":2013,"fp":"FY","form":"10-K","filed":"2013-09-20","frame":"CY2012Q2I"},{"end":"2013-07-31","val":691000,"accn":"0001223862-13-000026","fy":2013,"fp":"FY","form":"10-K","filed":"2013-09-20","frame":"CY2013Q2I"}]}},"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":"2011-07-31","val":6990000,"accn":"0001445305-12-002865","fy":2012,"fp":"FY","form":"10-K","filed":"2012-09-14","frame":"CY2011Q2I"},{"end":"2012-07-31","val":9828000,"accn":"0001445305-12-002865","fy":2012,"fp":"FY","form":"10-K","filed":"2012-09-14"},{"end":"2012-07-31","val":9828000,"accn":"0001223862-13-000026","fy":2013,"fp":"FY","form":"10-K","filed":"2013-09-20","frame":"CY2012Q2I"},{"end":"2013-07-31","val":10326000,"accn":"0001223862-13-000026","fy":2013,"fp":"FY","form":"10-K","filed":"2013-09-20"},{"end":"2013-07-31","val":10326000,"accn":"0001223862-14-000037","fy":2014,"fp":"FY","form":"10-K","filed":"2014-09-25","frame":"CY2013Q2I"},{"end":"2014-07-31","val":16067000,"accn":"0001223862-14-000037","fy":2014,"fp":"FY","form":"10-K","filed":"2014-09-25"},{"end":"2014-07-31","val":16067000,"accn":"0001223862-15-000036","fy":2015,"fp":"FY","form":"10-K","filed":"2015-09-25","frame":"CY2014Q2I"},{"end":"2015-07-31","val":20884000,"accn":"0001223862-15-000036","fy":2015,"fp":"FY","form":"10-K","filed":"2015-09-25"},{"end":"2015-07-31","val":20884000,"accn":"0001223862-16-000094","fy":2016,"fp":"FY","form":"10-K","filed":"2016-09-22","frame":"CY2015Q2I"},{"end":"2016-07-31","val":29729000,"accn":"0001223862-16-000094","fy":2016,"fp":"FY","form":"10-K","filed":"2016-09-22","frame":"CY2016Q2I"}]}},"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":"2012-07-31","val":0,"accn":"0001445305-12-003781","fy":2013,"fp":"Q1","form":"10-Q","filed":"2012-12-04"},{"end":"2012-07-31","val":0,"accn":"0001223862-13-000013","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-03-05"},{"end":"2012-07-31","val":0,"accn":"0001223862-13-000018","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-05-31"},{"end":"2012-07-31","val":0,"accn":"0001223862-13-000026","fy":2013,"fp":"FY","form":"10-K","filed":"2013-09-20","frame":"CY2012Q2I"},{"end":"2012-10-31","val":-60000,"accn":"0001445305-12-003781","fy":2013,"fp":"Q1","form":"10-Q","filed":"2012-12-04","frame":"CY2012Q3I"},{"end":"2013-01-31","val":-4000,"accn":"0001223862-13-000013","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-03-05","frame":"CY2012Q4I"},{"end":"2013-04-30","val":26000,"accn":"0001223862-13-000018","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-05-31","frame":"CY2013Q1I"},{"end":"2013-07-31","val":-11000,"accn":"0001223862-13-000026","fy":2013,"fp":"FY","form":"10-K","filed":"2013-09-20"},{"end":"2013-07-31","val":-11000,"accn":"0001223862-13-000035","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-12-06"},{"end":"2013-07-31","val":-11000,"accn":"0001223862-14-000007","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-03-07"},{"end":"2013-07-31","val":-11000,"accn":"0001223862-14-000025","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-06-05"},{"end":"2013-07-31","val":-11000,"accn":"0001223862-14-000037","fy":2014,"fp":"FY","form":"10-K","filed":"2014-09-25","frame":"CY2013Q2I"},{"end":"2013-10-31","val":11000,"accn":"0001223862-13-000035","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-12-06","frame":"CY2013Q3I"},{"end":"2014-01-31","val":34000,"accn":"0001223862-14-000007","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-03-07","frame":"CY2013Q4I"},{"end":"2014-04-30","val":60000,"accn":"0001223862-14-000025","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-06-05","frame":"CY2014Q1I"},{"end":"2014-07-31","val":-84000,"accn":"0001223862-14-000037","fy":2014,"fp":"FY","form":"10-K","filed":"2014-09-25"},{"end":"2014-07-31","val":-84000,"accn":"0001223862-14-000052","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-12-04"},{"end":"2014-07-31","val":-84000,"accn":"0001223862-15-000011","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-03-06"},{"end":"2014-07-31","val":-84000,"accn":"0001223862-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-06-04"},{"end":"2014-07-31","val":-84000,"accn":"0001223862-15-000036","fy":2015,"fp":"FY","form":"10-K","filed":"2015-09-25","frame":"CY2014Q2I"},{"end":"2014-10-31","val":-93000,"accn":"0001223862-14-000052","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-12-04","frame":"CY2014Q3I"},{"end":"2015-01-31","val":12000,"accn":"0001223862-15-000011","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-03-06","frame":"CY2014Q4I"},{"end":"2015-04-30","val":-2000,"accn":"0001223862-15-000020","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-06-04","frame":"CY2015Q1I"},{"end":"2015-07-31","val":-37000,"accn":"0001223862-15-000036","fy":2015,"fp":"FY","form":"10-K","filed":"2015-09-25"},{"end":"2015-07-31","val":-37000,"accn":"0001223862-15-000045","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-12-03"},{"end":"2015-07-31","val":-37000,"accn":"0001223862-16-000070","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-03-03"},{"end":"2015-07-31","val":-37000,"accn":"0001223862-16-000086","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-06-02"},{"end":"2015-07-31","val":-37000,"accn":"0001223862-16-000094","fy":2016,"fp":"FY","form":"10-K","filed":"2016-09-22","frame":"CY2015Q2I"},{"end":"2015-10-31","val":-76000,"accn":"0001223862-15-000045","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-12-03","frame":"CY2015Q3I"},{"end":"2016-01-31","val":-218000,"accn":"0001223862-16-000070","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-03-03","frame":"CY2015Q4I"},{"end":"2016-04-30","val":-38000,"accn":"0001223862-16-000086","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-06-02","frame":"CY2016Q1I"},{"end":"2016-07-31","val":30000,"accn":"0001223862-16-000094","fy":2016,"fp":"FY","form":"10-K","filed":"2016-09-22","frame":"CY2016Q2I"}]}},"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. 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For additional paid-in capital associated with only preferred stock, use the element additional paid in capital, preferred 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Includes, but is not limited to, excess tax benefit.","units":{"USD":[{"start":"2010-08-01","end":"2011-07-31","val":84000,"accn":"0001445305-12-002865","fy":2012,"fp":"FY","form":"10-K","filed":"2012-09-14"},{"start":"2010-08-01","end":"2011-07-31","val":84000,"accn":"0001223862-13-000026","fy":2013,"fp":"FY","form":"10-K","filed":"2013-09-20","frame":"CY2011"},{"start":"2011-08-01","end":"2012-07-31","val":47000,"accn":"0001445305-12-002865","fy":2012,"fp":"FY","form":"10-K","filed":"2012-09-14"},{"start":"2011-08-01","end":"2012-07-31","val":47000,"accn":"0001223862-13-000026","fy":2013,"fp":"FY","form":"10-K","filed":"2013-09-20"},{"start":"2011-08-01","end":"2012-07-31","val":47000,"accn":"0001223862-14-000037","fy":2014,"fp":"FY","form":"10-K","filed":"2014-09-25","frame":"CY2012"},{"start":"2012-08-01","end":"2013-07-31","val":409000,"accn":"0001223862-13-000026","fy":2013,"fp":"FY","form":"10-K","filed":"2013-09-20"},{"start":"2012-08-01","end":"2013-07-31","val":409000,"accn":"0001223862-14-000037","fy":2014,"fp":"FY","form":"10-K","filed":"2014-09-25"},{"start":"2012-08-01","end":"2013-07-31","val":409000,"accn":"0001223862-15-000036","fy":2015,"fp":"FY","form":"10-K","filed":"2015-09-25","frame":"CY2013"},{"start":"2013-08-01","end":"2014-07-31","val":170000,"accn":"0001223862-14-000037","fy":2014,"fp":"FY","form":"10-K","filed":"2014-09-25"},{"start":"2013-08-01","end":"2014-07-31","val":170000,"accn":"0001223862-15-000036","fy":2015,"fp":"FY","form":"10-K","filed":"2015-09-25"},{"start":"2013-08-01","end":"2014-07-31","val":170000,"accn":"0001223862-16-000094","fy":2016,"fp":"FY","form":"10-K","filed":"2016-09-22","frame":"CY2014"},{"start":"2014-08-01","end":"2015-07-31","val":207000,"accn":"0001223862-15-000036","fy":2015,"fp":"FY","form":"10-K","filed":"2015-09-25"},{"start":"2014-08-01","end":"2015-07-31","val":207000,"accn":"0001223862-16-000094","fy":2016,"fp":"FY","form":"10-K","filed":"2016-09-22","frame":"CY2015"},{"start":"2015-08-01","end":"2016-07-31","val":205000,"accn":"0001223862-16-000094","fy":2016,"fp":"FY","form":"10-K","filed":"2016-09-22","frame":"CY2016"}]}},"AdjustmentsToAdditionalPaidInCapitalWarrantIssued":{"label":"Adjustments to Additional Paid in Capital, Warrant Issued","description":"Amount of increase in additional paid in capital (APIC) resulting from the issuance of warrants. 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Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"USD":[{"end":"2012-07-31","val":4092000,"accn":"0001445305-12-002865","fy":2012,"fp":"FY","form":"10-K","filed":"2012-09-14","frame":"CY2012Q2I"},{"end":"2013-07-31","val":4062000,"accn":"0001223862-13-000026","fy":2013,"fp":"FY","form":"10-K","filed":"2013-09-20","frame":"CY2013Q2I"},{"end":"2014-07-31","val":3846000,"accn":"0001223862-14-000037","fy":2014,"fp":"FY","form":"10-K","filed":"2014-09-25","frame":"CY2014Q2I"},{"end":"2015-07-31","val":3986000,"accn":"0001223862-15-000036","fy":2015,"fp":"FY","form":"10-K","filed":"2015-09-25","frame":"CY2015Q2I"},{"end":"2016-07-31","val":4564000,"accn":"0001223862-16-000094","fy":2016,"fp":"FY","form":"10-K","filed":"2016-09-22","frame":"CY2016Q2I"}]}},"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":"2012-07-31","val":4102000,"accn":"0001445305-12-002865","fy":2012,"fp":"FY","form":"10-K","filed":"2012-09-14","frame":"CY2012Q2I"},{"end":"2013-07-31","val":4091000,"accn":"0001223862-13-000026","fy":2013,"fp":"FY","form":"10-K","filed":"2013-09-20","frame":"CY2013Q2I"},{"end":"2014-07-31","val":4278000,"accn":"0001223862-14-000037","fy":2014,"fp":"FY","form":"10-K","filed":"2014-09-25","frame":"CY2014Q2I"},{"end":"2015-07-31","val":4031000,"accn":"0001223862-15-000036","fy":2015,"fp":"FY","form":"10-K","filed":"2015-09-25","frame":"CY2015Q2I"},{"end":"2016-07-31","val":4573000,"accn":"0001223862-16-000094","fy":2016,"fp":"FY","form":"10-K","filed":"2016-09-22","frame":"CY2016Q2I"}]}},"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. 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Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"USD":[{"end":"2012-07-31","val":13227000,"accn":"0001445305-12-002865","fy":2012,"fp":"FY","form":"10-K","filed":"2012-09-14","frame":"CY2012Q2I"},{"end":"2013-07-31","val":9582000,"accn":"0001223862-13-000026","fy":2013,"fp":"FY","form":"10-K","filed":"2013-09-20","frame":"CY2013Q2I"},{"end":"2014-07-31","val":5828000,"accn":"0001223862-14-000037","fy":2014,"fp":"FY","form":"10-K","filed":"2014-09-25","frame":"CY2014Q2I"},{"end":"2015-07-31","val":2005000,"accn":"0001223862-15-000036","fy":2015,"fp":"FY","form":"10-K","filed":"2015-09-25","frame":"CY2015Q2I"},{"end":"2016-07-31","val":246000,"accn":"0001223862-16-000094","fy":2016,"fp":"FY","form":"10-K","filed":"2016-09-22","frame":"CY2016Q2I"}]}},"OperatingLeasesRentExpenseMinimumRentals":{"label":"Operating Leases, Rent Expense, Minimum Rentals","description":"This element represents the payments 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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":"2011-07-31","val":1284000,"accn":"0001445305-12-002865","fy":2012,"fp":"FY","form":"10-K","filed":"2012-09-14","frame":"CY2011Q2I"},{"end":"2012-07-31","val":1797000,"accn":"0001445305-12-002865","fy":2012,"fp":"FY","form":"10-K","filed":"2012-09-14"},{"end":"2012-07-31","val":1797000,"accn":"0001223862-13-000026","fy":2013,"fp":"FY","form":"10-K","filed":"2013-09-20","frame":"CY2012Q2I"},{"end":"2013-07-31","val":1868000,"accn":"0001223862-13-000026","fy":2013,"fp":"FY","form":"10-K","filed":"2013-09-20"},{"end":"2013-07-31","val":5138000,"accn":"0001223862-14-000037","fy":2014,"fp":"FY","form":"10-K","filed":"2014-09-25","frame":"CY2013Q2I"},{"end":"2014-07-31","val":6212000,"accn":"0001223862-14-000037","fy":2014,"fp":"FY","form":"10-K","filed":"2014-09-25"},{"end":"2014-07-31","val":7584000,"accn":"0001223862-15-000036","fy":2015,"fp":"FY","form":"10-K","filed":"2015-09-25","frame":"CY2014Q2I"},{"end":"2015-07-31","val":9095000,"accn":"0001223862-15-000036","fy":2015,"fp":"FY","form":"10-K","filed":"2015-09-25"},{"end":"2015-07-31","val":9095000,"accn":"0001223862-16-000094","fy":2016,"fp":"FY","form":"10-K","filed":"2016-09-22","frame":"CY2015Q2I"},{"end":"2016-07-31","val":10318000,"accn":"0001223862-16-000094","fy":2016,"fp":"FY","form":"10-K","filed":"2016-09-22","frame":"CY2016Q2I"}]}},"OtherAssetsCurrent":{"label":"Other Assets, Current","description":"Amount of current assets classified as other.","units":{"USD":[{"end":"2011-07-31","val":1493000,"accn":"0001445305-12-002865","fy":2012,"fp":"FY","form":"10-K","filed":"2012-09-14","frame":"CY2011Q2I"},{"end":"2012-07-31","val":1071000,"accn":"0001445305-12-002865","fy":2012,"fp":"FY","form":"10-K","filed":"2012-09-14"},{"end":"2012-07-31","val":1071000,"accn":"0001223862-13-000026","fy":2013,"fp":"FY","form":"10-K","filed":"2013-09-20","frame":"CY2012Q2I"},{"end":"2013-07-31","val":1397000,"accn":"0001223862-13-000026","fy":2013,"fp":"FY","form":"10-K","filed":"2013-09-20"},{"end":"2013-07-31","val":1397000,"accn":"0001223862-14-000037","fy":2014,"fp":"FY","form":"10-K","filed":"2014-09-25","frame":"CY2013Q2I"},{"end":"2014-07-31","val":1219000,"accn":"0001223862-14-000037","fy":2014,"fp":"FY","form":"10-K","filed":"2014-09-25"},{"end":"2014-07-31","val":1504000,"accn":"0001223862-15-000036","fy":2015,"fp":"FY","form":"10-K","filed":"2015-09-25","frame":"CY2014Q2I"},{"end":"2015-07-31","val":1717000,"accn":"0001223862-15-000036","fy":2015,"fp":"FY","form":"10-K","filed":"2015-09-25"},{"end":"2015-07-31","val":1717000,"accn":"0001223862-16-000094","fy":2016,"fp":"FY","form":"10-K","filed":"2016-09-22","frame":"CY2015Q2I"},{"end":"2016-07-31","val":3484000,"accn":"0001223862-16-000094","fy":2016,"fp":"FY","form":"10-K","filed":"2016-09-22","frame":"CY2016Q2I"}]}},"OtherAssetsNoncurrent":{"label":"Other Assets, Noncurrent","description":"Amount of noncurrent assets classified as 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This amount is presented as a reduction of the related deferred tax asset in the balance sheet if that deferred tax asset is not used. 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