Derivative Instruments and Hedging Activities - Amount of Gain (Loss) Reclassified from AOCI into Earnings (Effective Portion) (Details) - Designated derivatives - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Reclassified from AOCI into Earnings (Effective Portion)	$ (2.2)	$ (5.2)	$ 0.7
Treasury locks | Interest expense, net
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Reclassified from AOCI into Earnings (Effective Portion)	(0.1)	(0.1)	(0.1)
Interest rate swap agreements | Interest expense, net
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Reclassified from AOCI into Earnings (Effective Portion)	(1.8)	(2.1)	(2.3)
Interest rate swap agreements | Other expense (Income), net
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Reclassified from AOCI into Earnings (Effective Portion)	0.0	(6.0)	0.0
Foreign currency forward contracts | Interest expense, net
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Reclassified from AOCI into Earnings (Effective Portion)	(4.8)	(2.6)	(1.6)
Foreign currency forward contracts | Other expense (Income), net
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Reclassified from AOCI into Earnings (Effective Portion)	2.1	(1.5)	0.4
Foreign currency forward contracts | Net sales
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Reclassified from AOCI into Earnings (Effective Portion)	0.5	1.5	1.3
Foreign currency forward contracts | Cost of sales
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Reclassified from AOCI into Earnings (Effective Portion)	$ 1.9	$ 5.6	$ 3.0