Derivatives - Foreign Currency Forward Contracts (Details) € in Thousands, £ in Thousands	Feb. 27, 2015	Aug. 31, 2015 GBP (£)	Aug. 31, 2015 EUR (€)
30 Day Forward Contract EURO
Derivatives, Fair Value [Line Items]
Forward Contract Term	30 days
Derivative, Notional Amount			€ 160
30 Day Forward Contract GBP
Derivatives, Fair Value [Line Items]
Forward Contract Term	30 days
Derivative, Notional Amount | £		£ 355