Derivative Instruments (Schedule Of Cash Flow Hedging Instruments) (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Apr. 01, 2017	Apr. 02, 2016	Dec. 31, 2016
Derivative [Line Items]
Gain (Loss) Recognized in Other Comprehensive Income (Loss)	$ (3.6)		$ (7.5)
Cash Flow Hedging | Designated as Hedging Instruments:
Derivative [Line Items]
Gain (Loss) Recognized in Other Comprehensive Income (Loss)	31.3	$ 3.6
Net Sales | Cash Flow Hedging | Designated as Hedging Instruments:
Derivative [Line Items]
Amounts reclassified from Other Comprehensive Income (Loss)	0.1	0.0
Cost of Sales | Cash Flow Hedging | Designated as Hedging Instruments:
Derivative [Line Items]
Amounts reclassified from Other Comprehensive Income (Loss)	(10.7)	(11.9)
Interest Expense | Cash Flow Hedging | Designated as Hedging Instruments:
Derivative [Line Items]
Amounts reclassified from Other Comprehensive Income (Loss)	(1.1)	(1.2)
Interest Rate Swaps | Cash Flow Hedging | Designated as Hedging Instruments:
Derivative [Line Items]
Gain (Loss) Recognized in Other Comprehensive Income (Loss)	0.0	(0.4)
Interest Rate Swaps | Net Sales | Cash Flow Hedging | Designated as Hedging Instruments:
Derivative [Line Items]
Amounts reclassified from Other Comprehensive Income (Loss)	0.0	0.0
Interest Rate Swaps | Cost of Sales | Cash Flow Hedging | Designated as Hedging Instruments:
Derivative [Line Items]
Amounts reclassified from Other Comprehensive Income (Loss)	0.0	0.0
Interest Rate Swaps | Interest Expense | Cash Flow Hedging | Designated as Hedging Instruments:
Derivative [Line Items]
Amounts reclassified from Other Comprehensive Income (Loss)	(1.1)	(1.2)
Commodity Forwards | Cash Flow Hedging | Designated as Hedging Instruments:
Derivative [Line Items]
Gain (Loss) Recognized in Other Comprehensive Income (Loss)	2.3	1.4
Commodity Forwards | Net Sales | Cash Flow Hedging | Designated as Hedging Instruments:
Derivative [Line Items]
Amounts reclassified from Other Comprehensive Income (Loss)	0.0	0.0
Commodity Forwards | Cost of Sales | Cash Flow Hedging | Designated as Hedging Instruments:
Derivative [Line Items]
Amounts reclassified from Other Comprehensive Income (Loss)	0.9	(5.4)
Commodity Forwards | Cost of Sales | Cash Flow Hedging | Not designated as Hedging Instruments:
Derivative [Line Items]
Amounts reclassified from Other Comprehensive Income (Loss)	1.6	0.0
Commodity Forwards | Interest Expense | Cash Flow Hedging | Designated as Hedging Instruments:
Derivative [Line Items]
Amounts reclassified from Other Comprehensive Income (Loss)	0.0	0.0
Commodity Forwards | Operating Expense | Cash Flow Hedging | Not designated as Hedging Instruments:
Derivative [Line Items]
Amounts reclassified from Other Comprehensive Income (Loss)	0.0	0.1
Currency Forwards | Cash Flow Hedging | Designated as Hedging Instruments:
Derivative [Line Items]
Gain (Loss) Recognized in Other Comprehensive Income (Loss)	29.0	2.6
Currency Forwards | Net Sales | Cash Flow Hedging | Designated as Hedging Instruments:
Derivative [Line Items]
Amounts reclassified from Other Comprehensive Income (Loss)	0.1	0.0
Currency Forwards | Cost of Sales | Cash Flow Hedging | Designated as Hedging Instruments:
Derivative [Line Items]
Amounts reclassified from Other Comprehensive Income (Loss)	(11.6)	(6.5)
Currency Forwards | Cost of Sales | Cash Flow Hedging | Not designated as Hedging Instruments:
Derivative [Line Items]
Amounts reclassified from Other Comprehensive Income (Loss)	0.0	0.9
Currency Forwards | Interest Expense | Cash Flow Hedging | Designated as Hedging Instruments:
Derivative [Line Items]
Amounts reclassified from Other Comprehensive Income (Loss)	0.0	0.0
Currency Forwards | Operating Expense | Cash Flow Hedging | Not designated as Hedging Instruments:
Derivative [Line Items]
Amounts reclassified from Other Comprehensive Income (Loss)	$ 4.4	$ 0.0