Commitments and Contingencies- Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
Nov. 25, 2012	Feb. 04, 2011
Commitments and Contingencies Disclosure [Line Items]
Damages sought	$ 10
Assessment of compliance with state unclaimed property laws, assessment issued by State of Washington		$ 3.3

The value (monetary amount) of the award the plaintiff seeks in the legal matter.

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+ Details