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Short-Term Borrowings	3 Months Ended
Short-Term Borrowings	Nov. 30, 2015
Short-term Debt [Abstract]
Short-Term Borrowings	Short-Term Borrowings The Company has an unsecured, uncommitted $25 million credit line with Wells Fargo Bank, N.A. that expires on April 1, 2016. Interest rates are set by the bank at the time of borrowing. The Company had no borrowings outstanding under this credit line as of November 30, 2015 and August 31, 2015. The credit agreement contains various representations and warranties, events of default and financial and other covenants, including covenants regarding maintenance of a minimum fixed charge ratio and a maximum leverage ratio.