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Accrued And Other Liabilities (Schedule Of Accrued Payroll And Related Expenses) (Details) - USD ($)
$ in Thousands
May. 31, 2015
Aug. 31, 2014
Accrued And Other Liabilities [Abstract]    
Accrued incentive compensation $ 4,297 $ 8,558
Accrued payroll 3,490 2,813
Accrued profit sharing 1,638 2,424
Accrued payroll taxes 1,288 1,602
Other 473 572
Total $ 11,186 $ 15,969