Letters of Credit (Detail) (USD $)	Aug. 30, 2013	Aug. 31, 2012
Debt Disclosure [Abstract]
Letter of credit outstanding	$ 1,850,000	$ 1,900,000

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

No definition available.

Name:	us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant