Note 7 - Goodwill and Other Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	Aug. 30, 2014	Aug. 31, 2013	Aug. 25, 2012
Note 7 - Goodwill and Other Intangible Assets (Details) [Line Items]
Goodwill	$ 303,648	$ 302,363	$ 288,137
U.S. And Canadian Rental And Cleaning [Member]
Note 7 - Goodwill and Other Intangible Assets (Details) [Line Items]
Goodwill	298,900
Specialty Garments [Member]
Note 7 - Goodwill and Other Intangible Assets (Details) [Line Items]
Goodwill	4,100
First Aid [Member]
Note 7 - Goodwill and Other Intangible Assets (Details) [Line Items]
Goodwill	$ 600