Annual report pursuant to Section 13 and 15(d)

Derivatives - Additional Information (Details)

v3.3.0.814
Derivatives - Additional Information (Details) - USD ($)
$ in Thousands
12 Months Ended
Aug. 31, 2015
Aug. 31, 2014
Derivative [Line Items]    
Net foreign currency gains (losses) $ (95) $ (13,465)
Level 2 Valuation    
Derivative [Line Items]    
Foreign Currency Contracts Net Assets (Liabilities) Fair Value Disclosure (234) (966)
Cash Flow Hedging [Member]    
Derivative [Line Items]    
Derivative, Notional Amount 500 1,000
Fair Value Hedging [Member]    
Derivative [Line Items]    
Derivative, Notional Amount $ 170,700 $ 219,900