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Revenue Recognition - Schedule of Total Revenue Disaggregated by Service Type (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	May 30, 2020	May 25, 2019	May 30, 2020	May 25, 2019
Disaggregation of Revenue [Line Items]
Total revenues	$ 445,518	$ 453,720	$ 1,375,516	$ 1,329,755
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	$ 388,411	$ 399,781	$ 1,216,901	$ 1,184,666
Core Laundry Operations | Revenue | Revenues
Disaggregation of Revenue [Line Items]
Percentage of revenues	87.20%	88.10%	88.50%	89.10%
Specialty Garments
Disaggregation of Revenue [Line Items]
Total revenues	$ 36,163	$ 37,313	$ 105,545	$ 101,506
Specialty Garments | Revenue | Revenues
Disaggregation of Revenue [Line Items]
Percentage of revenues	8.10%	8.20%	7.70%	7.60%
First Aid
Disaggregation of Revenue [Line Items]
Total revenues	$ 20,944	$ 16,626	$ 53,070	$ 43,583
First Aid | Revenue | Revenues
Disaggregation of Revenue [Line Items]
Percentage of revenues	4.70%	3.70%	3.90%	3.30%

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