Derivative Financial Instruments (Schedule Of Fair Values Of Derivative Instruments) (Details) - USD ($) $ in Millions	Dec. 29, 2018	Dec. 30, 2017
Prepaid Expenses and Other Current Assets
Derivative [Line Items]
Derivative Asset	$ 6.7	$ 26.6
Other Noncurrent Assets
Derivative [Line Items]
Derivative Asset	7.2	3.2
Current Hedging Obligations
Derivative [Line Items]
Derivative Liability	11.3	8.1
Noncurrent Hedging Obligations
Derivative [Line Items]
Derivative Liability	1.2	0.9
Designated As Hedging Instruments | Prepaid Expenses and Other Current Assets | Currency Contracts
Derivative [Line Items]
Derivative Asset	6.0	11.5
Designated As Hedging Instruments | Prepaid Expenses and Other Current Assets | Commodity Contracts
Derivative [Line Items]
Derivative Asset	0.1	10.8
Designated As Hedging Instruments | Other Noncurrent Assets | Currency Contracts
Derivative [Line Items]
Derivative Asset	7.2	2.5
Designated As Hedging Instruments | Other Noncurrent Assets | Commodity Contracts
Derivative [Line Items]
Derivative Asset	0.0	0.7
Designated As Hedging Instruments | Current Hedging Obligations | Currency Contracts
Derivative [Line Items]
Derivative Liability	4.3	7.9
Designated As Hedging Instruments | Current Hedging Obligations | Commodity Contracts
Derivative [Line Items]
Derivative Liability	6.0	0.0
Designated As Hedging Instruments | Noncurrent Hedging Obligations | Currency Contracts
Derivative [Line Items]
Derivative Liability	1.1	0.9
Designated As Hedging Instruments | Noncurrent Hedging Obligations | Commodity Contracts
Derivative [Line Items]
Derivative Liability	0.1	0.0
Not Designated As Hedging Instruments | Prepaid Expenses and Other Current Assets | Currency Contracts
Derivative [Line Items]
Derivative Asset	0.6	4.1
Not Designated As Hedging Instruments | Prepaid Expenses and Other Current Assets | Commodity Contracts
Derivative [Line Items]
Derivative Asset	0.0	0.2
Not Designated As Hedging Instruments | Other Noncurrent Assets | Currency Contracts
Derivative [Line Items]
Derivative Asset	0.0	0.0
Not Designated As Hedging Instruments | Other Noncurrent Assets | Commodity Contracts
Derivative [Line Items]
Derivative Asset	0.0	0.0
Not Designated As Hedging Instruments | Current Hedging Obligations | Currency Contracts
Derivative [Line Items]
Derivative Liability	0.7	0.2
Not Designated As Hedging Instruments | Current Hedging Obligations | Commodity Contracts
Derivative [Line Items]
Derivative Liability	0.3	0.0
Not Designated As Hedging Instruments | Noncurrent Hedging Obligations | Currency Contracts
Derivative [Line Items]
Derivative Liability	0.0	0.0
Not Designated As Hedging Instruments | Noncurrent Hedging Obligations | Commodity Contracts
Derivative [Line Items]
Derivative Liability	$ 0.0	$ 0.0