Derivative Financial Instruments (Schedule Of Fair Values Of Derivative Instruments) (Details) - USD ($) $ in Millions	Dec. 28, 2019	Dec. 29, 2018
Prepaid Expenses and Other Current Assets
Derivative [Line Items]
Derivative Asset	$ 11.5	$ 6.7
Other Noncurrent Assets
Derivative [Line Items]
Derivative Asset	10.4	7.2
Current Hedging Obligations
Derivative [Line Items]
Derivative Liability	3.4	11.3
Noncurrent Hedging Obligations
Derivative [Line Items]
Derivative Liability	1.2	1.2
Designated As Hedging Instruments | Prepaid Expenses and Other Current Assets | Interest Rate Swap Contracts
Derivative [Line Items]
Derivative Asset	0.0
Designated As Hedging Instruments | Prepaid Expenses and Other Current Assets | Currency Contracts
Derivative [Line Items]
Derivative Asset	8.8	6.0
Designated As Hedging Instruments | Prepaid Expenses and Other Current Assets | Commodity Contracts
Derivative [Line Items]
Derivative Asset	2.6	0.1
Designated As Hedging Instruments | Other Noncurrent Assets | Interest Rate Swap Contracts
Derivative [Line Items]
Derivative Asset	0.0
Designated As Hedging Instruments | Other Noncurrent Assets | Currency Contracts
Derivative [Line Items]
Derivative Asset	10.3	7.2
Designated As Hedging Instruments | Other Noncurrent Assets | Commodity Contracts
Derivative [Line Items]
Derivative Asset	0.1	0.0
Designated As Hedging Instruments | Current Hedging Obligations | Interest Rate Swap Contracts
Derivative [Line Items]
Derivative Liability	0.0
Designated As Hedging Instruments | Current Hedging Obligations | Currency Contracts
Derivative [Line Items]
Derivative Liability	3.0	4.3
Designated As Hedging Instruments | Current Hedging Obligations | Commodity Contracts
Derivative [Line Items]
Derivative Liability	0.2	6.0
Designated As Hedging Instruments | Noncurrent Hedging Obligations | Interest Rate Swap Contracts
Derivative [Line Items]
Derivative Liability	1.0
Designated As Hedging Instruments | Noncurrent Hedging Obligations | Currency Contracts
Derivative [Line Items]
Derivative Liability	0.2	1.1
Designated As Hedging Instruments | Noncurrent Hedging Obligations | Commodity Contracts
Derivative [Line Items]
Derivative Liability	0.0	0.1
Not Designated As Hedging Instruments | Prepaid Expenses and Other Current Assets | Currency Contracts
Derivative [Line Items]
Derivative Asset	0.1	0.6
Not Designated As Hedging Instruments | Prepaid Expenses and Other Current Assets | Commodity Contracts
Derivative [Line Items]
Derivative Asset	0.0	0.0
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	0.1	0.7
Not Designated As Hedging Instruments | Current Hedging Obligations | Commodity Contracts
Derivative [Line Items]
Derivative Liability	0.1	0.3
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