Derivative Financial Instruments - Schedule of Change in Fair Value of Foreign Currency Forward Exchange Contracts Under Hedge Designations (Details) - Designated as Hedging Instrument - Foreign Currency Forward Exchange Contracts - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Derivative [Line Items]
Unrealized losses at beginning of period, net of tax	$ (15.0)	$ (9.2)
Losses reclassified to net sales	4.4	2.8
Increase (decrease) in fair value	4.9	(18.8)
Unrealized (losses) at end of period, net of taxes	$ (5.7)	$ (25.2)