Revenue Recognition - Schedule of Total Revenue Disaggregated by Service Type (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	May 27, 2023	May 28, 2022	May 27, 2023	May 28, 2022
Disaggregation of Revenue [Line Items]
Total revenues	$ 576,668	$ 511,548	$ 1,661,157	$ 1,484,408
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	$ 501,719	$ 450,039	$ 1,456,167	$ 1,311,941
Core Laundry Operations | Revenue | Revenues
Disaggregation of Revenue [Line Items]
Percentage of revenues	87.00%	88.00%	87.60%	88.40%
Specialty Garments
Disaggregation of Revenue [Line Items]
Total revenues	$ 49,407	$ 41,198	$ 135,613	$ 116,220
Specialty Garments | Revenue | Revenues
Disaggregation of Revenue [Line Items]
Percentage of revenues	8.60%	8.10%	8.20%	7.80%
First Aid
Disaggregation of Revenue [Line Items]
Total revenues	$ 25,542	$ 20,311	$ 69,377	$ 56,247
First Aid | Revenue | Revenues
Disaggregation of Revenue [Line Items]
Percentage of revenues	4.40%	4.00%	4.20%	3.80%