Segment Reporting - Schedule of Segment Reporting Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Nov. 25, 2023	Nov. 26, 2022
Segment Reporting Information [Line Items]
Revenues	$ 593,525	$ 541,798
Operating income (loss)	53,137	43,418
Interest income, net	(2,834)	(2,769)
Other expense, net	716	791
Total consolidated other income, net	(2,118)	(1,978)
Total consolidated income before income taxes	55,255	45,396
U.S. and Canadian Rental and Cleaning | Operating Segments
Segment Reporting Information [Line Items]
Revenues	510,942	462,824
Operating income (loss)	85,646	82,645
MFG | Operating Segments
Segment Reporting Information [Line Items]
Revenues	85,039	77,511
Operating income (loss)	24,941	23,302
MFG | Net Interco MFG Elim
Segment Reporting Information [Line Items]
Revenues	(85,039)	(77,511)
Operating income (loss)	(4,481)	(6,783)
Corporate | Operating Segments
Segment Reporting Information [Line Items]
Revenues	13,047	14,574
Operating income (loss)	(64,015)	(65,333)
Subtotal Core Laundry Operations
Segment Reporting Information [Line Items]
Revenues	523,989	477,398
Operating income (loss)	42,091	33,831
Specialty Garments
Segment Reporting Information [Line Items]
Revenues	44,669	44,079
Specialty Garments | Operating Segments
Segment Reporting Information [Line Items]
Revenues	44,669	44,079
Operating income (loss)	12,117	10,183
First Aid
Segment Reporting Information [Line Items]
Revenues	24,867	20,321
First Aid | Operating Segments
Segment Reporting Information [Line Items]
Revenues	24,867	20,321
Operating income (loss)	$ (1,071)	$ (596)