Condensed Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands		3 Months Ended
		Nov. 27, 2021	Nov. 28, 2020
Condensed Consolidated Statements Of Comprehensive Income [Abstract]
Net income, as reported		$ 66,257	$ 38,777
Other comprehensive income, net of tax:
Foreign currency translation adjustments		(4,992)	2,196
Comprehensive income	[1]	61,265	40,973
Comprehensive income attributable to noncontrolling interest:
Net income		(190)	(323)
Foreign currency translation adjustments		911	(461)
Comprehensive income attributable to MSC Industrial		$ 61,986	$ 40,189

[1] There were no material taxes associated with other comprehensive income during the thirteen-week periods ended November 27, 2021 and November 28, 2020.