Derivative Instruments (Schedule Of Derivatives Under Enforceable Master Netting Agreements) (Details) - USD ($) $ in Millions	Apr. 02, 2016	Jan. 02, 2016
Prepaid Expenses and Other Current Assets | Currency Forward Contracts
Derivative [Line Items]
Derivative Asset, Gross Amounts as Presented in the Condensed Balance Sheet	$ 1.7	$ 1.2
Derivative Asset, Derivative Contract Amounts Subject to Right of Offset	(1.3)	(1.2)
Derivative Asset, Derivative Contracts as Presented on a Net Basis	0.4	0.0
Prepaid Expenses and Other Current Assets | Commodity Forward Contracts
Derivative [Line Items]
Derivative Asset, Gross Amounts as Presented in the Condensed Balance Sheet	3.7	5.2
Derivative Asset, Derivative Contract Amounts Subject to Right of Offset	(3.7)	(5.2)
Derivative Asset, Derivative Contracts as Presented on a Net Basis	0.0	0.0
Other Noncurrent Assets | Currency Forward Contracts
Derivative [Line Items]
Derivative Asset, Gross Amounts as Presented in the Condensed Balance Sheet	0.9	1.0
Derivative Asset, Derivative Contract Amounts Subject to Right of Offset	(0.5)	(1.0)
Derivative Asset, Derivative Contracts as Presented on a Net Basis	0.4	0.0
Other Noncurrent Assets | Commodity Forward Contracts
Derivative [Line Items]
Derivative Asset, Gross Amounts as Presented in the Condensed Balance Sheet	0.3
Derivative Asset, Derivative Contract Amounts Subject to Right of Offset	0.0
Derivative Asset, Derivative Contracts as Presented on a Net Basis	0.3
Hedging Obligations (current) | Currency Forward Contracts
Derivative [Line Items]
Derivative Liability, Gross Amounts as Presented in the Condensed Balance Sheet	26.8	30.8
Derivative Liability, Derivative Contract Amounts Subject to Right of Offset	(1.3)	(1.2)
Derivative Liability, Derivative Contracts as Presented on a Net Basis	25.5	29.6
Hedging Obligations (current) | Commodity Forward Contracts
Derivative [Line Items]
Derivative Liability, Gross Amounts as Presented in the Condensed Balance Sheet	7.3	13.9
Derivative Liability, Derivative Contract Amounts Subject to Right of Offset	(3.7)	(5.2)
Derivative Liability, Derivative Contracts as Presented on a Net Basis	3.6	8.7
Hedging Obligations (non-current) | Currency Forward Contracts
Derivative [Line Items]
Derivative Liability, Gross Amounts as Presented in the Condensed Balance Sheet	14.9	19.8
Derivative Liability, Derivative Contract Amounts Subject to Right of Offset	(0.5)	(1.0)
Derivative Liability, Derivative Contracts as Presented on a Net Basis	14.4	$ 18.8
Hedging Obligations (non-current) | Commodity Forward Contracts
Derivative [Line Items]
Derivative Liability, Gross Amounts as Presented in the Condensed Balance Sheet	0.1
Derivative Liability, Derivative Contract Amounts Subject to Right of Offset	0.0
Derivative Liability, Derivative Contracts as Presented on a Net Basis	$ 0.1