Derivative Instruments and Hedging Activities - Other Comprehensive Income Movement (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 29, 2018	Sep. 29, 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)	$ 0.0	$ (4.2)
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)	1.1	1.5
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)	(1.3)
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)	(3.1)
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)	(0.3)	3.5
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)	2.5	$ 2.0
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)	$ 0.4