Derivative Instruments and Hedging Activities (Details) € in Millions, £ in Millions, $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2018 USD ($)	Sep. 30, 2018 USD ($)	Jun. 30, 2018 USD ($)	Mar. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Sep. 30, 2017 USD ($)	Jun. 30, 2017 USD ($)	Mar. 31, 2017 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2018 GBP (£)	Dec. 31, 2018 EUR (€)	Nov. 30, 2016 USD ($)
Derivative Instruments Gain Loss [Line Items]
Interest expense									$ (154.9)	$ (117.3)	$ (101.4)
Gain (loss) recognized on non-designated derivative instruments:
Gain (loss) recognized on non-designated derivative instruments, total									(10.3)	2.0	8.5
Miscellaneous, net									(4.0)	2.5	3.1
Net sales	$ 1,289.8	$ 1,119.0	$ 1,105.6	$ 1,064.2	$ 1,249.9	$ 1,122.7	$ 1,133.9	$ 1,102.8	4,578.6	4,609.3	3,316.3
Foreign exchange loss, net									(2.5)	(3.9)	(2.1)
Cost of sales									3,687.7	3,609.5	2,604.6
Interest Rate Swap
Derivative Instruments Gain Loss [Line Items]
Derivative, Notional Amount														$ 400.0
Interest expense									(2.9)	(4.3)	(5.1)
Foreign Exchange Option [Member]
Gain (loss) recognized on non-designated derivative instruments:
Miscellaneous, net									0.0	0.0	35.6
Foreign Exchange Forward and Cash Flow Hedges [Member]
Gain (loss) recognized on non-designated derivative instruments:
Miscellaneous, net										0.0	(26.4)
Net sales									2.4	0.0	0.0
Foreign exchange loss, net									(10.4)	6.3	4.4
Cost of sales									0.6	$ 0.0	$ 0.0
Increase (Decrease) in Derivative Assets and Liabilities									$ 0.0
Currency Forward Agreements EUR to GBP [Member]
Derivative Instruments Gain Loss [Line Items]
Number of foreign currency option contracts												12	12
Derivative, Notional Amount												£ 27.5	€ 30.9