{"cik":1003078,"taxonomy":"us-gaap","tag":"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.","entityName":"MSC INDUSTRIAL DIRECT CO., INC.","units":{"USD":[{"end":"2012-09-01","val":2189000,"accn":"0001144204-13-057653","fy":2013,"fp":"FY","form":"10-K","filed":"2013-10-30","frame":"CY2012Q3I"},{"end":"2013-08-31","val":241566000,"accn":"0001144204-13-057653","fy":2013,"fp":"FY","form":"10-K","filed":"2013-10-30","frame":"CY2013Q3I"},{"end":"2019-08-31","val":264225000,"accn":"0001003078-20-000038","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-01-08"},{"end":"2019-08-31","val":264225000,"accn":"0001003078-20-000126","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-04-08"},{"end":"2019-08-31","val":264225000,"accn":"0001003078-20-000182","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-07-08"},{"end":"2019-08-31","val":264225000,"accn":"0001003078-20-000283","fy":2020,"fp":"FY","form":"10-K","filed":"2020-10-27","frame":"CY2019Q3I"},{"end":"2019-11-30","val":264323000,"accn":"0001003078-20-000038","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-01-08","frame":"CY2019Q4I"},{"end":"2020-02-29","val":264429000,"accn":"0001003078-20-000126","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-04-08","frame":"CY2020Q1I"},{"end":"2020-05-30","val":664454000,"accn":"0001003078-20-000182","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-07-08","frame":"CY2020Q2I"},{"end":"2020-08-29","val":494565000,"accn":"0001003078-20-000283","fy":2020,"fp":"FY","form":"10-K","filed":"2020-10-27"},{"end":"2020-08-29","val":494565000,"accn":"0001003078-21-000071","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-04-07"},{"end":"2020-08-29","val":494565000,"accn":"0001003078-21-000127","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-07-07"},{"end":"2020-08-29","val":494565000,"accn":"0001003078-21-000199","fy":2021,"fp":"FY","form":"10-K","filed":"2021-10-20","frame":"CY2020Q3I"},{"end":"2021-02-27","val":459892000,"accn":"0001003078-21-000071","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-04-07","frame":"CY2021Q1I"},{"end":"2021-05-29","val":344985000,"accn":"0001003078-21-000127","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-07-07","frame":"CY2021Q2I"},{"end":"2021-08-28","val":582428000,"accn":"0001003078-21-000199","fy":2021,"fp":"FY","form":"10-K","filed":"2021-10-20"},{"end":"2021-08-28","val":582428000,"accn":"0001003078-21-000269","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-12-22"},{"end":"2021-08-28","val":583616000,"accn":"0001003078-22-000046","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-03-30"},{"end":"2021-08-28","val":583616000,"accn":"0001003078-22-000075","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-06-29"},{"end":"2021-08-28","val":582428000,"accn":"0001003078-22-000127","fy":2022,"fp":"FY","form":"10-K","filed":"2022-10-20","frame":"CY2021Q3I"},{"end":"2021-11-27","val":557426000,"accn":"0001003078-21-000269","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-12-22","frame":"CY2021Q4I"},{"end":"2022-02-26","val":584182000,"accn":"0001003078-22-000046","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-03-30","frame":"CY2022Q1I"},{"end":"2022-05-28","val":539050000,"accn":"0001003078-22-000075","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-06-29","frame":"CY2022Q2I"},{"end":"2022-09-03","val":468728000,"accn":"0001003078-22-000127","fy":2022,"fp":"FY","form":"10-K","filed":"2022-10-20"},{"end":"2022-09-03","val":468912000,"accn":"0001003078-23-000008","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-01-05"},{"end":"2022-09-03","val":468728000,"accn":"0001003078-23-000102","fy":2023,"fp":"FY","form":"10-K","filed":"2023-10-25","frame":"CY2022Q3I"},{"end":"2022-12-03","val":453868000,"accn":"0001003078-23-000008","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-01-05","frame":"CY2022Q4I"},{"end":"2023-09-02","val":224165000,"accn":"0001003078-23-000102","fy":2023,"fp":"FY","form":"10-K","filed":"2023-10-25"},{"end":"2023-09-02","val":224165000,"accn":"0001003078-24-000107","fy":2024,"fp":"FY","form":"10-K","filed":"2024-10-24","frame":"CY2023Q3I"},{"end":"2024-08-31","val":278398000,"accn":"0001003078-24-000107","fy":2024,"fp":"FY","form":"10-K","filed":"2024-10-24"},{"end":"2024-08-31","val":278398000,"accn":"0001003078-25-000123","fy":2025,"fp":"FY","form":"10-K","filed":"2025-10-23","frame":"CY2024Q3I"},{"end":"2025-08-30","val":168581000,"accn":"0001003078-25-000123","fy":2025,"fp":"FY","form":"10-K","filed":"2025-10-23","frame":"CY2025Q3I"}]}}