{"cik":1750,"taxonomy":"us-gaap","tag":"OtherLiabilitiesNoncurrent","label":"Other Liabilities, Noncurrent","description":"Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.","entityName":"AAR CORP","units":{"USD":[{"end":"2025-05-31","val":12300000,"accn":"0001104659-26-033973","fy":2026,"fp":"Q3","form":"10-Q","filed":"2026-03-25"},{"end":"2025-05-31","val":12300000,"accn":"0001104659-26-085459","fy":2026,"fp":"FY","form":"10-K","filed":"2026-07-22","frame":"CY2025Q2I"},{"end":"2026-02-28","val":38400000,"accn":"0001104659-26-033973","fy":2026,"fp":"Q3","form":"10-Q","filed":"2026-03-25","frame":"CY2026Q1I"},{"end":"2026-05-31","val":20800000,"accn":"0001104659-26-085459","fy":2026,"fp":"FY","form":"10-K","filed":"2026-07-22","frame":"CY2026Q2I"}]}}