Revenue Recognition - Schedule of Total Revenue Disaggregated by Service Type (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 01, 2025	Feb. 24, 2024	Mar. 01, 2025	Feb. 24, 2024
Disaggregation of Revenue [Line Items]
Total revenues	$ 602,219	$ 590,711	$ 1,207,127	$ 1,184,236
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	$ 530,351	$ 522,420	$ 1,063,094	$ 1,046,409
Core Laundry Operations | Revenue | Revenues
Disaggregation of Revenue [Line Items]
Percentage of revenues	88.00%	88.40%	88.10%	88.40%
Specialty Garments
Disaggregation of Revenue [Line Items]
Total revenues	$ 44,414	$ 43,462	$ 90,357	$ 88,131
Specialty Garments | Revenue | Revenues
Disaggregation of Revenue [Line Items]
Percentage of revenues	7.40%	7.40%	7.50%	7.40%
First Aid
Disaggregation of Revenue [Line Items]
Total revenues	$ 27,454	$ 24,829	$ 53,676	$ 49,696
First Aid | Revenue | Revenues
Disaggregation of Revenue [Line Items]
Percentage of revenues	4.60%	4.20%	4.40%	4.20%