Consolidated Statements Of Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Sep. 02, 2023	Sep. 03, 2022	Aug. 28, 2021
Income Statement [Abstract]
Net sales	$ 4,009,282	$ 3,691,893	$ 3,243,224
Cost of goods sold	2,366,317	2,133,645	1,909,709
Gross profit	1,642,965	1,558,248	1,333,515
Operating expenses	1,151,295	1,083,862	994,468
Impairment loss, net	0	0	5,886
Restructuring and other costs	7,937	15,805	31,392
Loss on disposal of property, plant and equipment	0	(10,132)	0
Income from operations	483,733	468,713	301,769
Other income (expense):
Interest expense	(22,543)	(17,599)	(14,510)
Interest income	1,034	150	66
Other (expense) income, net	(6,068)	(132)	1,054
Total other expense	(27,577)	(17,581)	(13,390)
Income before provision for income taxes	456,156	451,132	288,379
Provision for income taxes	113,049	110,650	70,442
Net income	343,107	340,482	217,937
Less: Net (loss) income attributable to noncontrolling interest	(126)	696	1,030
Net income attributable to MSC Industrial	$ 343,233	$ 339,786	$ 216,907
Net income per common share:
Basic (in USD per share)	$ 6.14	$ 6.09	$ 3.89
Diluted (in USD per share)	$ 6.11	$ 6.06	$ 3.87
Weighted-average shares used in computing net income per common share:
Basic (in shares)	55,918	55,777	55,737
Diluted (in shares)	56,210	56,045	56,093