Derivative Instruments and Hedging Activities - Amount of Gain (Loss) Recorded in OCI/Reclassified from AOCI into Earnings (Effective Portion) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2018 USD ($)
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recorded in OCI (Effective Portion)	$ (9.1)
Treasury locks
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recorded in OCI (Effective Portion)	0.0
Interest rate swap agreements
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recorded in OCI (Effective Portion)	0.0
Foreign currency forward contracts
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recorded in OCI (Effective Portion)	(9.1)
Designated derivatives
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Reclassified from AOCI into Earnings (Effective Portion)	(2.2)
Designated derivatives | Interest expense, net
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Reclassified from AOCI into Earnings (Effective Portion)	(4.8)
Designated derivatives | Other (Income) expense, net
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Reclassified from AOCI into Earnings (Effective Portion)	2.1
Designated derivatives | Cost of sales
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Reclassified from AOCI into Earnings (Effective Portion)	1.9
Designated derivatives | Treasury locks | Interest expense, net
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Reclassified from AOCI into Earnings (Effective Portion)	(0.1)
Designated derivatives | 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)
Designated derivatives | Foreign currency forward contracts
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Reclassified from AOCI into Earnings (Effective Portion)	$ 0.5