Revenue Recognition - Schedule of Total Revenue Disaggregated by Service Type (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	May 28, 2022	May 29, 2021	May 28, 2022	May 29, 2021
Disaggregation of Revenue [Line Items]
Total revenues	$ 511,548	$ 464,323	$ 1,484,408	$ 1,360,940
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	$ 450,039	$ 409,031	$ 1,311,941	$ 1,200,456
Core Laundry Operations | Revenue | Revenues
Disaggregation of Revenue [Line Items]
Percentage of revenues	88.00%	88.10%	88.40%	88.20%
Specialty Garments
Disaggregation of Revenue [Line Items]
Total revenues	$ 41,198	$ 38,236	$ 116,220	$ 111,592
Specialty Garments | Revenue | Revenues
Disaggregation of Revenue [Line Items]
Percentage of revenues	8.10%	8.20%	7.80%	8.20%
First Aid
Disaggregation of Revenue [Line Items]
Total revenues	$ 20,311	$ 17,056	$ 56,247	$ 48,892
First Aid | Revenue | Revenues
Disaggregation of Revenue [Line Items]
Percentage of revenues	4.00%	3.70%	3.80%	3.60%