Condensed Consolidated Statements Of Shareholders' Equity - USD ($)
$ in Thousands
Class A Common Stock [Member]
Common Stock [Member]
Class A Common Stock [Member]
Retained Earnings [Member]
Class A Common Stock [Member]
Treasury Stock [Member]
Class A Common Stock [Member]
Class B Common Stock [Member]
Common Stock [Member]
Class B Common Stock [Member]
Retained Earnings [Member]
Class B Common Stock [Member]
Additional Paid-In-Capital [Member]
Retained Earnings [Member]
Accumulated Other Comprehensive Loss [Member]
Treasury Stock [Member]
Total Shareholders' Equity Attributable to MSC Industrial [Member]
Noncontrolling Interest [Member]
Total
Balance, Value at Sep. 01, 2018 $ 55       $ 10     $ 657,749 $ 1,325,822 $ (19,634) $ (576,748)      
Issuance of Noncontrolling Interest in MSC Mexico                         $ 4,637  
Capital Contributions                         1,022  
Foreign Currency Translation Adjustment                   (3,096)     (146) $ (3,242)
Net Income                 222,257       (81) 222,257
Associate Incentive Plans               29,812     1,769      
Repurchase and retirement of common stock, Value (1) $ (48,439)           (11,887)            
Repurchases of common stock, Value     $ (24,137)                      
Cash dividends on common stock   (85,042)       $ (19,266)                
Dividend equivalents declared, net of cancellations                 (781)          
Balance, Value at Jun. 01, 2019 54       10     675,674 1,394,551 (22,730) (599,116) $ 1,448,443 5,432 1,453,875
Dividends declared per common share       $ 1.89     $ 1.89              
Balance, Value at Mar. 02, 2019 54       10     670,047 1,349,972 (20,237) (599,603)   5,602  
Foreign Currency Translation Adjustment                   (2,493)     (83) (2,576)
Net Income                 79,601       (87) 79,601
Associate Incentive Plans               5,627     526      
Repurchase and retirement of common stock, Value                          
Repurchases of common stock, Value     (39)                      
Cash dividends on common stock   (28,335)       (6,422)                
Dividend equivalents declared, net of cancellations                 (265)          
Balance, Value at Jun. 01, 2019 54       10     675,674 1,394,551 (22,730) (599,116) 1,448,443 5,432 1,453,875
Dividends declared per common share       0.63     0.63              
Balance, Value at Aug. 31, 2019 46       10     659,226 946,651 (22,776) (104,607)   5,329 1,483,879
Foreign Currency Translation Adjustment                   (2,806)     (441) (3,247)
Net Income                 198,621       501 198,621
Associate Incentive Plans 1             26,756     3,254      
Repurchase and retirement of common stock, Value                          
Repurchases of common stock, Value     (3,236)                      
Cash dividends on common stock   (329,052)       (73,433)                
Dividend equivalents declared, net of cancellations                 (3,752)          
Balance, Value at May. 30, 2020 47       10     685,982 739,035 (25,582) (104,589) 1,294,903 5,389 1,300,292
Dividends declared per common share       7.25     7.25              
Balance, Value at Feb. 29, 2020 47       10     681,657 703,396 (22,053) (105,758)   5,514  
Foreign Currency Translation Adjustment                   (3,529)     (536) (4,065)
Net Income                 77,703       411 77,703
Associate Incentive Plans               4,325     1,197      
Repurchase and retirement of common stock, Value                          
Repurchases of common stock, Value     $ (28)                      
Cash dividends on common stock   $ (34,129)       $ (7,541)                
Dividend equivalents declared, net of cancellations                 (394)          
Balance, Value at May. 30, 2020 $ 47       $ 10     $ 685,982 $ 739,035 $ (25,582) $ (104,589) $ 1,294,903 $ 5,389 $ 1,300,292
Dividends declared per common share       $ 0.75     $ 0.75