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, 2017	Mar. 31, 2016
Derivative [Line Items]
Unrealized losses at beginning of period, net of tax	$ (25.9)	$ (15.0)
Losses reclassified to net sales	5.0	4.4
Decrease in fair value	2.6	4.9
Unrealized losses at end of period, net of tax	$ (18.3)	$ (5.7)