{"cik":1745041,"taxonomy":"us-gaap","tag":"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.","entityName":"IAA, Inc.","units":{"USD":[{"end":"2018-12-30","val":453500000,"accn":"0001628280-19-010696","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-13"},{"end":"2018-12-30","val":453500000,"accn":"0001628280-19-014011","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-13"},{"end":"2018-12-30","val":441800000,"accn":"0001745041-20-000003","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-18","frame":"CY2018Q4I"},{"end":"2019-06-30","val":419200000,"accn":"0001628280-19-010696","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-13","frame":"CY2019Q2I"},{"end":"2019-09-29","val":426600000,"accn":"0001628280-19-014011","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-13","frame":"CY2019Q3I"},{"end":"2019-12-29","val":460000000,"accn":"0001745041-20-000003","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-18"},{"end":"2019-12-29","val":460000000,"accn":"0001745041-20-000006","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"end":"2019-12-29","val":460000000,"accn":"0001745041-20-000009","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-04"},{"end":"2019-12-29","val":460000000,"accn":"0001745041-20-000012","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-02"},{"end":"2019-12-29","val":460000000,"accn":"0001745041-21-000004","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-22","frame":"CY2019Q4I"},{"end":"2020-03-29","val":475800000,"accn":"0001745041-20-000006","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2020Q1I"},{"end":"2020-06-28","val":524600000,"accn":"0001745041-20-000009","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-04","frame":"CY2020Q2I"},{"end":"2020-09-27","val":618800000,"accn":"0001745041-20-000012","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-02","frame":"CY2020Q3I"},{"end":"2020-12-27","val":692000000,"accn":"0001745041-21-000004","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-22"},{"end":"2020-12-27","val":692000000,"accn":"0001745041-21-000007","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-04"},{"end":"2020-12-27","val":692000000,"accn":"0001745041-21-000010","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-03"},{"end":"2020-12-27","val":692000000,"accn":"0001745041-21-000013","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-02"},{"end":"2020-12-27","val":692000000,"accn":"0001745041-22-000005","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-28","frame":"CY2020Q4I"},{"end":"2021-03-28","val":763800000,"accn":"0001745041-21-000007","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-04","frame":"CY2021Q1I"},{"end":"2021-06-27","val":701700000,"accn":"0001745041-21-000010","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-03","frame":"CY2021Q2I"},{"end":"2021-09-26","val":811100000,"accn":"0001745041-21-000013","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-02","frame":"CY2021Q3I"},{"end":"2022-01-02","val":769900000,"accn":"0001745041-22-000005","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-28"},{"end":"2022-01-02","val":769900000,"accn":"0001745041-22-000009","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-10"},{"end":"2022-01-02","val":769900000,"accn":"0001745041-22-000014","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-09"},{"end":"2022-01-02","val":769900000,"accn":"0001745041-22-000019","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-09"},{"end":"2022-01-02","val":769900000,"accn":"0001745041-23-000005","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-24","frame":"CY2021Q4I"},{"end":"2022-04-03","val":731700000,"accn":"0001745041-22-000009","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-10","frame":"CY2022Q1I"},{"end":"2022-07-03","val":686600000,"accn":"0001745041-22-000014","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-09","frame":"CY2022Q2I"},{"end":"2022-10-02","val":702100000,"accn":"0001745041-22-000019","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-09","frame":"CY2022Q3I"},{"end":"2023-01-01","val":788400000,"accn":"0001745041-23-000005","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-24","frame":"CY2022Q4I"}]}}