Quarterly report pursuant to Section 13 or 15(d)

Derivatives Narrative (Details)

v3.2.0.727
Derivatives Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
May. 31, 2015
May. 31, 2014
May. 31, 2015
May. 31, 2014
Aug. 31, 2014
Derivative [Line Items]          
Gain (Loss) on Foreign Currency Fair Value Hedge Derivatives and Not Designated as Hedging Instruments at Fair Value $ 2,310 $ (2,141) $ 304 $ (13,452)  
Fair Value Hedging [Member]          
Derivative [Line Items]          
Derivative, Notional Amount $ 186,400   $ 186,400   $ 219,900