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Accrued and Other Liabilities - Schedule of Accrued Liabilities (Detail) (USD $)
In Thousands, unless otherwise specified
Nov. 30, 2012
Aug. 31, 2012
Schedule Of Accrued Liabilities [Line Items]    
Accrued advertising and sales promotion expenses $ 9,969 $ 9,963
Accrued professional services fees 867 1,006
Accrued sales taxes 752 839
Accrued other taxes 973 1,243
Other 2,736 3,441
Total $ 15,297 $ 16,492