Revenue Recognition - Schedule of Total Revenue Disaggregated by Service Type (Details) - USD ($) $ in Thousands	3 Months Ended
	Nov. 30, 2024	Nov. 25, 2023
Disaggregation of Revenue [Line Items]
Total revenues	$ 604,908	$ 593,525
Revenue | Revenues
Disaggregation of Revenue [Line Items]
Percentage of revenues	100.00%	100.00%
Core Laundry Operations
Disaggregation of Revenue [Line Items]
Total revenues	$ 532,743	$ 523,989
Core Laundry Operations | Revenue | Revenues
Disaggregation of Revenue [Line Items]
Percentage of revenues	88.10%	88.30%
Specialty Garments
Disaggregation of Revenue [Line Items]
Total revenues	$ 45,943	$ 44,669
Specialty Garments | Revenue | Revenues
Disaggregation of Revenue [Line Items]
Percentage of revenues	7.60%	7.50%
First Aid
Disaggregation of Revenue [Line Items]
Total revenues	$ 26,222	$ 24,867
First Aid | Revenue | Revenues
Disaggregation of Revenue [Line Items]
Percentage of revenues	4.30%	4.20%