Derivative Instruments, Foreign Exchange Contracts (Details) - Foreign Exchange Contract [Member] € in Millions, £ in Millions, MYR in Millions, AUD in Millions	6 Months Ended
	Jun. 30, 2015 EUR (€)	Jun. 30, 2015 AUD	Jun. 30, 2015 GBP (£)	Dec. 31, 2014 EUR (€)	Dec. 31, 2014 AUD	Dec. 31, 2014 MYR	Dec. 31, 2014 GBP (£)
Derivative [Line Items]
Derivative, Maturity Date	Dec. 01, 2016
United Kingdom, Pounds
Derivative [Line Items]
Foreign exchange contract outstanding | £			£ 0.4				£ 0.3
Euro Member Countries, Euro
Derivative [Line Items]
Foreign exchange contract outstanding	€ 2.6			€ 1.4
Australia, Dollars
Derivative [Line Items]
Foreign exchange contract outstanding | AUD		AUD 0.5			AUD 0.8
Malaysia, Ringgits
Derivative [Line Items]
Foreign exchange contract outstanding | MYR						MYR 0.5