Derivative Instruments and Hedging Activities (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Derivative Instruments Gain (Loss) [Line Items]
Interest expense	$ (32.4)	$ (8.5)	$ (68.2)	$ (24.1)
Miscellaneous, net	(4.2)	(1.4)	3.6	(1.7)
Foreign exchange gain (loss), net	2.0	1.3	(1.6)	(9.2)
Gain (loss) recognized on non-designated derivative instruments:
Gain (loss) recognized on non-designated derivative instruments, total	(4.2)	5.2	5.9	6.0
Interest rate swaps
Derivative Instruments Gain (Loss) [Line Items]
Interest expense	(1.1)	(1.4)	(3.2)	(3.5)
Gain on foreign currency option contracts
Derivative Instruments Gain (Loss) [Line Items]
Miscellaneous, net	0.0	0.0	35.6	0.0
Foreign exchange forward contracts
Derivative Instruments Gain (Loss) [Line Items]
Miscellaneous, net	(3.6)	0.0	(26.3)	0.0
Foreign exchange gain (loss), net	$ 0.5	$ 6.6	$ (0.2)	$ 9.5