Quarterly report pursuant to Section 13 or 15(d)

Derivatives Narrative (Details)

v3.5.0.2
Derivatives Narrative (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
May 31, 2016
May 31, 2015
May 31, 2016
May 31, 2015
Aug. 31, 2015
Derivative [Line Items]          
Gain (Loss) on Foreign Currency Fair Value Hedge Derivatives and Not Designated as Hedging Instruments at Fair Value $ (394) $ 2,310 $ (1,028) $ 304  
Fair Value Hedging [Member]          
Derivative [Line Items]          
Derivative, Notional Amount $ 80,500   $ 80,500   $ 170,700