Consolidated Statements Of Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Sep. 03, 2022	Aug. 28, 2021	Aug. 29, 2020
Consolidated Statements Of Income [Abstract]
Net sales	$ 3,691,893	$ 3,243,224	$ 3,192,399
Cost of goods sold	2,133,645	1,909,709	1,849,077
Gross profit	1,558,248	1,333,515	1,343,322
Operating expenses	1,083,862	994,468	975,553
Impairment loss, net		5,886
Restructuring and other costs	15,805	31,392	17,029
Gain loss on sale	(10,132)
Income from operations	468,713	301,769	350,740
Other income (expense):
Interest expense	(17,599)	(14,510)	(16,673)
Interest income	150	66	333
Other income (expense), net	(132)	1,054	(150)
Total other expense	(17,581)	(13,390)	(16,490)
Income before provision for income taxes	451,132	288,379	334,250
Provision for income taxes	110,650	70,442	82,492
Net income	340,482	217,937	251,758
Less: Net income attributable to noncontrolling interest	696	1,030	641
Net income attributable to MSC Industrial	$ 339,786	$ 216,907	$ 251,117
Net income per common share:
Basic	$ 6.09	$ 3.89	$ 4.53
Diluted	$ 6.06	$ 3.87	$ 4.51
Weighted-average shares used in computing net income per common share:
Basic	55,777	55,737	55,472
Diluted	56,045	56,093	55,643