Derivative Instruments and Hedging Activities (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Derivative Instruments Gain (Loss) [Line Items]
Document Period End Date	Mar. 31, 2017
Interest expense	$ (30.8)	$ (11.5)
Miscellaneous, net	1.3	34.6
Foreign exchange gain (loss), net	(3.1)	(2.4)
Gain (loss) recognized on non-designated derivative instruments:
Gain (loss) recognized on non-designated derivative instruments, total	0.4	31.7
Interest rate swaps
Derivative Instruments Gain (Loss) [Line Items]
Interest expense	(0.8)	(1.0)
Gain on foreign currency option contracts
Derivative Instruments Gain (Loss) [Line Items]
Miscellaneous, net	0.0	36.5
Foreign exchange forward contracts
Derivative Instruments Gain (Loss) [Line Items]
Foreign exchange gain (loss), net	$ 1.2	$ (3.8)