Other Income and Expense (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Other income and expense:
Other income (expense), net	$ (30.4)	$ 6.3	$ (45.7)	$ 3.7
Bridge Facility Fees [Member]
Other income and expense:
Other Nonoperating Income (Expense)	(20.2)	0.0	(38.6)	0.0
Gain on Sale of Nonoperating Asset [Member]
Other income and expense:
Other Nonoperating Income (Expense)	0.0	3.3	0.0	3.3
Other Foreign Exchange and Derivative Activity [Member]
Other income and expense:
Other income (expense), net	(10.6)	2.7	(6.9)	0.1
Other income (expense), net [Member]
Other income and expense:
Other income (expense), net	0.4	$ 0.3	(0.2)	$ 0.3
Not Designated as Hedging Instrument [Member]
Other income and expense:
Derivative Instruments Not Designated as Hedging Instruments, Liability, at Fair Value	22.7		22.7		$ 22.0
Not Designated as Hedging Instrument [Member] | Accounts Payable and Accrued Liabilities [Member] | Foreign currency forwards [Member]
Other income and expense:
Derivative Instruments Not Designated as Hedging Instruments, Liability, at Fair Value	$ 11.6		$ 11.6