Long-term Debt - Non-U.S. Bank Debt (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Foreign Debt [Member]
Short-term Debt [Line Items]
Debt Instrument, Maturity Date, Description	August 31, 2015
Foreign Debt, Amount Outstanding	$ 0	$ 0.7
Short-term Debt, Percentage Bearing Variable Interest Rate		2.70%
Uncommitted Working Capital Facility [Domain]
Short-term Debt [Line Items]
Debt Instrument, Maturity Date, Description	May 29, 2015
Foreign Debt, Amount Outstanding	12.5
Short-term Debt, Percentage Bearing Variable Interest Rate	2.75%
Overdraft Facility [Member]
Short-term Debt [Line Items]
Foreign Debt, Amount Outstanding	0.1
Short-term Debt, Percentage Bearing Variable Interest Rate	0.75%
Overdraft Facility	$ 1.0