Notes Payable, Long-Term Debt and Capital Lease Obligations (Debt Maturities) (Details 6) - USD ($) $ in Thousands		Aug. 31, 2015	Aug. 31, 2014
Long Term Debt Maturities Repayments Of Principal [Line Items]
Fair value adjustment related to terminated interest rate swaps on the 7.750% Senior Notes	[1]	$ 2,077	$ 4,450

[1] This amount represents the fair value hedge accounting adjustment related to the 7.750% Senior Notes. For further discussion of the Company’s fair value hedges, see Note 13 - “ Derivative Financial Instruments and Hedging Activities” to the Consolidated Financial Statements.