Condensed Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands		3 Months Ended
		Nov. 30, 2019	Dec. 01, 2018
Condensed Consolidated Statements Of Comprehensive Income [Abstract]
Net income, as reported		$ 65,452	$ 74,232
Other comprehensive income, net of tax:
Foreign currency translation adjustments		1,606	(1,341)
Comprehensive income	[1]	67,058	72,891
Comprehensive income attributable to noncontrolling interest:
Net income		(34)
Foreign currency translation adjustments		(140)
Comprehensive income attributable to MSC Industrial		$ 66,884	$ 72,891

[1] There were no material taxes associated with other comprehensive income during the thirteen-week periods ending November 30, 2019 and December 1, 2018, respectively.