Derivative Instruments and Hedging Activities - Other Comprehensive Income Movement (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2018
Foreign currency forward contracts
Reclassification Adjustment out of Accumulated Other Comprehensive Income on (Loss) Derivatives [Line Items]
Amount of Gain/(Loss) Recorded in OCI (Effective Portion)	$ (4.3)	$ (4.3)
Designated derivatives:
Reclassification Adjustment out of Accumulated Other Comprehensive Income on (Loss) Derivatives [Line Items]
Amount of Gain/(Loss) Reclassified from AOCI into Earnings (Effective Portion)	0.0	0.5
Designated derivatives: | Interest expense, net | Interest Rate Swap
Reclassification Adjustment out of Accumulated Other Comprehensive Income on (Loss) Derivatives [Line Items]
Amount of Gain/(Loss) Reclassified from AOCI into Earnings (Effective Portion)	(0.4)	(0.9)
Designated derivatives: | Interest expense, net | Foreign currency forward contracts
Reclassification Adjustment out of Accumulated Other Comprehensive Income on (Loss) Derivatives [Line Items]
Amount of Gain/(Loss) Reclassified from AOCI into Earnings (Effective Portion)	(1.1)	(2.0)
Designated derivatives: | Cost of sales | Foreign currency forward contracts
Reclassification Adjustment out of Accumulated Other Comprehensive Income on (Loss) Derivatives [Line Items]
Amount of Gain/(Loss) Reclassified from AOCI into Earnings (Effective Portion)	1.6	3.9
Designated derivatives: | Other (income) expense, net | Foreign currency forward contracts
Reclassification Adjustment out of Accumulated Other Comprehensive Income on (Loss) Derivatives [Line Items]
Amount of Gain/(Loss) Reclassified from AOCI into Earnings (Effective Portion)	(0.1)	$ (0.5)
Designated derivatives: | Sales [Member] | Foreign currency forward contracts
Reclassification Adjustment out of Accumulated Other Comprehensive Income on (Loss) Derivatives [Line Items]
Amount of Gain/(Loss) Reclassified from AOCI into Earnings (Effective Portion)	$ 0.0