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Accrued and Other Liabilities - Schedule of Deferred and Other Long-Term Liabilities (Detail) (USD $)
In Thousands, unless otherwise specified
Nov. 30, 2012
Aug. 31, 2012
Other Long Term Liabilities [Line Items]    
Supplemental employee retirement plan benefits liability $ 570 $ 598
Other income taxes payable 1,299 1,297
Other 147 61
Total $ 2,016 $ 1,956