Derivative Instruments, Non-Designated Hedges (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Foreign exchange contract [Member] | Other (expense) income, net [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on non-designated derivatives	$ (0.6)	$ (2.4)	$ 0.9