Revenue Recognition - Schedule of Total Revenue Disaggregated by Service Type (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Feb. 25, 2023	Feb. 26, 2022	Feb. 25, 2023	Feb. 26, 2022
Disaggregation of Revenue [Line Items]
Total revenues	$ 542,691	$ 486,696	$ 1,084,489	$ 972,860
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	$ 477,050	$ 433,056	$ 954,448	$ 861,902
Core Laundry Operations | Revenue | Revenues
Disaggregation of Revenue [Line Items]
Percentage of revenues	87.90%	89.00%	88.00%	88.60%
Specialty Garments
Disaggregation of Revenue [Line Items]
Total revenues	$ 42,127	$ 35,538	$ 86,206	$ 75,022
Specialty Garments | Revenue | Revenues
Disaggregation of Revenue [Line Items]
Percentage of revenues	7.80%	7.30%	8.00%	7.70%
First Aid
Disaggregation of Revenue [Line Items]
Total revenues	$ 23,514	$ 18,102	$ 43,835	$ 35,936
First Aid | Revenue | Revenues
Disaggregation of Revenue [Line Items]
Percentage of revenues	4.30%	3.70%	4.00%	3.70%