Condensed Consolidated Statements Of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	May 30, 2020	Jun. 01, 2019	May 30, 2020	Jun. 01, 2019
Condensed Consolidated Statements Of Income [Abstract]
Net sales	$ 834,972	$ 866,546	$ 2,444,667	$ 2,521,147
Cost of goods sold	481,010	497,891	1,412,457	1,442,693
Gross profit	353,962	368,655	1,032,210	1,078,454
Operating expenses	244,110	258,154	754,390	768,972
Income from operations	109,852	110,501	277,820	309,482
Other income (expense):
Interest expense	(5,451)	(4,565)	(12,117)	(13,160)
Interest income	173	178	251	504
Other (expense) income, net	(560)	(95)	(509)	(330)
Total other expense	(5,838)	(4,482)	(12,375)	(12,986)
Income before provision for income taxes	104,014	106,019	265,445	296,496
Provision for income taxes	25,900	26,505	66,323	74,320
Net income	78,114	79,514	199,122	222,176
Less: Net income (loss) attributable to noncontrolling interest	411	(87)	501	(81)
Net income attributable to MSC Industrial	$ 77,703	$ 79,601	$ 198,621	$ 222,257
Net income per common share:
Basic	$ 1.40	$ 1.44	$ 3.58	$ 4.02
Diluted	$ 1.40	$ 1.44	$ 3.57	$ 4.00
Weighted average shares used in computing net income per common share:
Basic	55,563	55,158	55,435	55,266
Diluted	55,599	55,387	55,581	55,556