Derivative Financial Instruments (Schedule Of Fair Values Of Derivative Instruments) (Details) (USD $)	Dec. 31, 2011	Jan. 01, 2011
Derivative [Line Items]
Total derivative liabilities, noncurrent	$ 55,064,000	$ 39,174,000
Prepaid Expenses [Member]
Derivative [Line Items]
Total derivative assets, current	2,800,000	32,200,000
Prepaid Expenses [Member] | Designated As Hedging Instruments [Member]
Derivative [Line Items]
Interest rate swap contracts asset
Foreign exchange contracts asset	400,000	7,100,000
Commodity contracts asset	2,100,000	24,700,000
Prepaid Expenses [Member] | Not Designated As Hedging Instruments [Member]
Derivative [Line Items]
Foreign exchange contracts not designated as hedging instruments asset	100,000	200,000
Commodity contracts not designated as hedging instruments asset	200,000	200,000
Other Noncurrent Assets [Member]
Derivative [Line Items]
Total derivative assets, noncurrent	1,100,000	5,600,000
Other Noncurrent Assets [Member] | Designated As Hedging Instruments [Member]
Derivative [Line Items]
Interest rate swap contracts asset
Foreign exchange contracts asset	100,000	1,400,000
Commodity contracts asset	1,000,000	4,200,000
Other Noncurrent Assets [Member] | Not Designated As Hedging Instruments [Member]
Derivative [Line Items]
Foreign exchange contracts not designated as hedging instruments asset
Commodity contracts not designated as hedging instruments asset
Hedging Obligations (Current) [Member]
Derivative [Line Items]
Total derivative liabilities, current	26,100,000	300,000
Hedging Obligations (Current) [Member] | Designated As Hedging Instruments [Member]
Derivative [Line Items]
Interest rate swap contracts liability
Foreign exchange contracts liability	13,600,000	200,000
Commodity contracts liability	12,200,000	100,000
Hedging Obligations (Current) [Member] | Not Designated As Hedging Instruments [Member]
Derivative [Line Items]
Foreign exchange contracts not designated as hedging instruments liability
Commodity contracts not designated as hedging instruments liability	300,000
Hedging Obligations [Member]
Derivative [Line Items]
Total derivative liabilities, noncurrent	55,100,000	39,200,000
Hedging Obligations [Member] | Designated As Hedging Instruments [Member]
Derivative [Line Items]
Interest rate swap contracts liability	42,000,000	39,100,000
Foreign exchange contracts liability	11,700,000	100,000
Commodity contracts liability	1,400,000
Hedging Obligations [Member] | Not Designated As Hedging Instruments [Member]
Derivative [Line Items]
Foreign exchange contracts not designated as hedging instruments liability
Commodity contracts not designated as hedging instruments liability