Goodwill and Other Intangible Assets - Narrative (Details) - USD ($)	12 Months Ended
	Aug. 26, 2023	Aug. 27, 2022	Aug. 28, 2021
Goodwill [Line Items]
Impairment losses related to goodwill or intangible assets	$ 0	$ 0	$ 0
Goodwill	647,900,000	$ 457,259,000	$ 429,538,000
US and Canadian Rental and Cleaning
Goodwill [Line Items]
Goodwill	636,400,000
Specialty Garments
Goodwill [Line Items]
Goodwill	10,900,000
First Aid
Goodwill [Line Items]
Goodwill	$ 600,000