Condensed Consolidated Statements Of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Feb. 26, 2022	Feb. 27, 2021	Feb. 26, 2022	Feb. 27, 2021
Condensed Consolidated Statements Of Income [Abstract]
Net sales	$ 862,522	$ 773,995	$ 1,711,069	$ 1,545,899
Cost of goods sold	496,247	479,244	992,198	927,830
Gross profit	366,275	294,751	718,871	618,069
Operating expenses	265,973	245,115	522,554	483,820
Impairment loss				26,726
Restructuring and other costs	3,134	21,615	8,417	25,594
Income from operations	97,168	28,021	187,900	81,929
Other income (expense):
Interest expense	(3,617)	(3,580)	(7,345)	(6,936)
Interest income	21	16	40	37
Other income (expense), net	91	(58)	(322)	593
Total other expense	(3,505)	(3,622)	(7,627)	(6,306)
Income before provision for income taxes	93,663	24,399	180,273	75,623
Provision for income taxes	23,509	6,051	43,862	18,498
Net income	70,154	18,348	136,411	57,125
Less: Net income attributable to noncontrolling interest	223	263	413	586
Net income attributable to MSC Industrial	$ 69,931	$ 18,085	$ 135,998	$ 56,539
Net income per common share:
Basic	$ 1.25	$ 0.32	$ 2.44	$ 1.01
Diluted	$ 1.25	$ 0.32	$ 2.43	$ 1.01
Weighted-average shares used in computing net income per common share:
Basic	55,799	55,838	55,664	55,749
Diluted	55,971	56,133	55,945	56,019