Accrued Liabilities (Details) (USD $) In Thousands, unless otherwise specified	Aug. 31, 2013	Sep. 01, 2012
Accrued Liabilities [Abstract]
Accrued payroll, bonus and fringe	$ 36,119	$ 38,644
Accrued advertising	3,424	3,168
Accrued sales, property and income taxes	9,513	10,759
Accrued other	36,703	20,297
Total accrued liabilities	$ 85,759	$ 72,868