Derivative Instruments and Hedging Activities - Other Comprehensive Income Movement (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 01, 2017	Jul. 02, 2016	Jul. 01, 2017	Jul. 02, 2016
Reclassification Adjustment out of Accumulated Other Comprehensive Income on (Loss) Derivatives [Line Items]
Foreign Currency Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months	$ 2.0		$ 2.0
Amount of Gain/(Loss) Recognized against Earnings (Ineffective Portion)	0.1	$ 0.4	1.0	$ 0.6
Net sales | Foreign currency forward contracts
Reclassification Adjustment out of Accumulated Other Comprehensive Income on (Loss) Derivatives [Line Items]
Amount of Gain/(Loss) Recognized against Earnings (Ineffective Portion)	0.0	(0.1)	0.0	0.1
Cost of sales | Foreign currency forward contracts
Reclassification Adjustment out of Accumulated Other Comprehensive Income on (Loss) Derivatives [Line Items]
Amount of Gain/(Loss) Recognized against Earnings (Ineffective Portion)	0.0	(0.1)	0.0	0.0
Other expense, net | Interest rate swap agreements
Reclassification Adjustment out of Accumulated Other Comprehensive Income on (Loss) Derivatives [Line Items]
Amount of Gain/(Loss) Recognized against Earnings (Ineffective Portion)	0.0	0.0	0.0	(0.1)
Other expense, net | Foreign currency forward contracts
Reclassification Adjustment out of Accumulated Other Comprehensive Income on (Loss) Derivatives [Line Items]
Amount of Gain/(Loss) Recognized against Earnings (Ineffective Portion)	0.1	0.6	1.0	0.6
Designated derivatives:
Reclassification Adjustment out of Accumulated Other Comprehensive Income on (Loss) Derivatives [Line Items]
Amount of Gain/(Loss) Recorded in OCI (Effective Portion)	2.7	(0.3)	5.2	(7.7)
Amount of Gain/(Loss) Reclassified from AOCI into Earnings (Effective Portion)	(5.5)	1.0	(6.3)	1.2
Designated derivatives: | Interest rate swap agreements
Reclassification Adjustment out of Accumulated Other Comprehensive Income on (Loss) Derivatives [Line Items]
Amount of Gain/(Loss) Recorded in OCI (Effective Portion)	0.0	0.0	0.0	(9.0)
Designated derivatives: | 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)	2.7	(0.3)	5.2	1.3
Designated derivatives: | Other expense, net | Interest rate swap agreements
Reclassification Adjustment out of Accumulated Other Comprehensive Income on (Loss) Derivatives [Line Items]
Amount of Gain/(Loss) Reclassified from AOCI into Earnings (Effective Portion)	(0.6)	(0.6)	(1.3)	(1.1)
Designated derivatives: | Other 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)	(0.5)	(0.6)	(1.1)	(0.9)
Designated derivatives: | Net 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)	0.6	(0.1)	0.9	0.4
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)	0.9	0.6	1.6	0.9
Designated derivatives: | Other 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)	$ 0.0	$ 1.7	$ (0.5)	$ 1.9