Derivative Instruments and Hedging Activities (Details) - Foreign Exchange Contract [Member] - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Gain (loss) recognized on non-designated derivative instruments:
Gain (loss) recognized on non-designated derivative instruments, total	$ (2.9)	$ (1.2)	$ 0.8	$ (1.4)
Interest expense [Member]
Gain (loss) recognized on non-designated derivative instruments:
Gain (loss) recognized on non-designated derivative instruments, total	(0.8)	(1.6)	(2.1)	(3.0)
Foreign exchange gain (loss), net [Member]
Gain (loss) recognized on non-designated derivative instruments:
Gain (loss) recognized on non-designated derivative instruments, total	$ (2.1)	$ 0.4	$ 2.9	$ 1.6