Segment Reporting - Schedule of Segment Reporting Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	May 27, 2023	May 28, 2022	May 27, 2023	May 28, 2022
Segment Reporting Information [Line Items]
Revenues	$ 576,668	$ 511,548	$ 1,661,157	$ 1,484,408
Operating income (loss)	33,397	33,697	97,525	101,100
Interest (income) expense, net	(553)	(340)	(6,353)	(1,739)
Income (loss) before taxes	33,329	33,606	102,352	101,078
U.S. and Canadian Rental and Cleaning | Operating Segments
Segment Reporting Information [Line Items]
Revenues	488,198	439,462	1,414,825	1,284,411
Operating income (loss)	70,175	75,660	216,830	209,499
Interest (income) expense, net	(632)	(736)	(2,677)	(2,216)
Income (loss) before taxes	70,779	76,419	219,406	211,700
MFG | Operating Segments
Segment Reporting Information [Line Items]
Revenues	72,600	58,369	224,342	214,712
Operating income (loss)	20,931	12,117	66,485	50,968
Income (loss) before taxes	20,883	12,045	66,214	50,722
MFG | Net Interco MFG Elim
Segment Reporting Information [Line Items]
Revenues	(72,600)	(58,369)	(224,342)	(214,712)
Operating income (loss)	(1,948)	4,219	(14,739)	(1,835)
Income (loss) before taxes	(1,948)	4,219	(14,739)	(1,835)
Corporate | Operating Segments
Segment Reporting Information [Line Items]
Revenues	13,521	10,577	41,342	27,530
Operating income (loss)	(68,163)	(65,565)	(200,108)	(176,949)
Interest (income) expense, net	79	396	(3,676)	477
Income (loss) before taxes	(68,809)	(66,362)	(197,813)	(178,419)
Subtotal Core Laundry Operations
Segment Reporting Information [Line Items]
Revenues	501,719	450,039	1,456,167	1,311,941
Operating income (loss)	20,995	26,431	68,468	81,683
Interest (income) expense, net	(553)	(340)	(6,353)	(1,739)
Income (loss) before taxes	20,905	26,321	73,068	82,168
Specialty Garments
Segment Reporting Information [Line Items]
Revenues	49,407	41,198	135,613	116,220
Specialty Garments | Operating Segments
Segment Reporting Information [Line Items]
Revenues	49,407	41,198	135,613	116,220
Operating income (loss)	12,455	7,161	30,683	19,640
Income (loss) before taxes	12,478	7,179	30,915	19,133
First Aid
Segment Reporting Information [Line Items]
Revenues	25,542	20,311	69,377	56,247
First Aid | Operating Segments
Segment Reporting Information [Line Items]
Revenues	25,542	20,311	69,377	56,247
Operating income (loss)	(53)	105	(1,626)	(223)
Income (loss) before taxes	$ (54)	$ 106	$ (1,631)	$ (223)