Revenue Recognition - Schedule of Total Revenue Disaggregated by Service Type (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Feb. 24, 2024	Feb. 25, 2023	Feb. 24, 2024	Feb. 25, 2023
Disaggregation of Revenue [Line Items]
Total revenues	$ 590,711	$ 542,691	$ 1,184,236	$ 1,084,489
Revenue | Revenues
Disaggregation of Revenue [Line Items]
Percentage of revenues	100.00%	100.00%	100.00%	100.00%
Core Laundry Operations
Disaggregation of Revenue [Line Items]
Total revenues	$ 522,420	$ 477,050	$ 1,046,409	$ 954,448
Core Laundry Operations | Revenue | Revenues
Disaggregation of Revenue [Line Items]
Percentage of revenues	88.40%	87.90%	88.40%	88.00%
Specialty Garments
Disaggregation of Revenue [Line Items]
Total revenues	$ 43,462	$ 42,127	$ 88,131	$ 86,206
Specialty Garments | Revenue | Revenues
Disaggregation of Revenue [Line Items]
Percentage of revenues	7.40%	7.80%	7.40%	8.00%
First Aid
Disaggregation of Revenue [Line Items]
Total revenues	$ 24,829	$ 23,514	$ 49,696	$ 43,835
First Aid | Revenue | Revenues
Disaggregation of Revenue [Line Items]
Percentage of revenues	4.20%	4.30%	4.20%	4.00%