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		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Derivative [Line Items]
Unrealized losses at beginning of period, net of tax	$ (16.5)	$ (15.3)	$ (15.0)	$ (9.2)
Losses reclassified to net sales	4.0	3.8	10.1	11.2
Decrease in fair value	(1.7)	(0.2)	(9.3)	(13.7)
Unrealized losses at end of period, net of tax	$ (14.2)	$ (11.7)	$ (14.2)	$ (11.7)