Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands		12 Months Ended
		Aug. 28, 2021	Aug. 29, 2020	Aug. 31, 2019
Consolidated Statements Of Comprehensive Income [Abstract]
Net income, as reported		$ 217,937	$ 251,758	$ 288,797
Other comprehensive income, net of tax:
Foreign currency translation adjustments		3,852	1,016	(3,404)
Comprehensive income	[1]	221,789	252,774	285,393
Comprehensive income attributable to noncontrolling interest:
Net (income) loss		(1,030)	(641)	68
Foreign currency translation adjustments		(418)	342	262
Comprehensive income attributable to MSC Industrial		$ 220,341	$ 252,475	$ 285,723

[1] There were no material taxes associated with other comprehensive income during fiscal years 2021, 2020 and 2019.