The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

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-Publisher FASB
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The portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments representing (a) the amount of the hedge ineffectiveness and (b) the amount, if any, excluded from the assessment of hedge effectiveness.

+ References

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Amount before tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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Derivative Instruments and Hedging Activities - Other Comprehensive Income Movement (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Jun. 30, 2018	Jul. 01, 2017
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 in Earnings (Ineffective Portion)		$ 0.1		$ 1.0
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	(5.5)	$ 0.5	(6.3)
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)	(4.3)	2.7	(4.3)	5.2
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)	(0.6)	(0.9)	(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)	(0.5)	(2.0)	(1.1)
Designated derivatives: \| Other 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)	0.0	(5.9)	0.0	(5.9)
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)	(0.1)	0.0	(0.5)	(0.5)
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)	0.0	0.6	0.0	0.9
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	$ 0.9	$ 3.9	$ 1.6