Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

Name:	us-gaap_Goodwill
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Note 8 - Goodwill and Other Intangible Assets (Details) - USD ($) $ in Thousands	Aug. 29, 2015	Aug. 30, 2014	Aug. 31, 2013
Note 8 - Goodwill and Other Intangible Assets (Details) [Line Items]
Goodwill	$ 313,133	$ 303,648	$ 302,363
U.S. And Canadian Rental And Cleaning [Member]
Note 8 - Goodwill and Other Intangible Assets (Details) [Line Items]
Goodwill	308,400
Specialty Garments [Member]
Note 8 - Goodwill and Other Intangible Assets (Details) [Line Items]
Goodwill	4,100
First Aid [Member]
Note 8 - Goodwill and Other Intangible Assets (Details) [Line Items]
Goodwill	$ 600