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		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Derivative [Line Items]
Unrealized losses at beginning of period, net of tax	$ (5.7)	$ (25.2)	$ (15.0)	$ (9.2)
Losses reclassified to net sales	1.7	4.7	6.1	7.4
(Decrease) increase in fair value	(12.5)	5.3	(7.6)	(13.4)
Unrealized losses at end of period, net of taxes	$ (16.5)	$ (15.2)	$ (16.5)	$ (15.2)