Derivative Instruments and Hedging Activities Narrative (Details)			9 Months Ended	1 Months Ended
	Sep. 24, 2011 USD ($)	Dec. 25, 2010 USD ($)	Sep. 24, 2011 Scenario, Forecast [Member] USD ($)	Sep. 30, 2011 Cash Flow Hedging [Member] Cross currency swaps USD ($)	Oct. 01, 2011 Cash Flow Hedging [Member] Cross currency swaps USD ($)	Sep. 24, 2011 Cash Flow Hedging [Member] Cross currency swaps USD ($)	Sep. 24, 2011 Cash Flow Hedging [Member] Cross currency swaps GBP (£)	Jun. 25, 2011 Cash Flow Hedging [Member] Cross currency swaps USD ($)	Dec. 25, 2010 Cash Flow Hedging [Member] Cross currency swaps USD ($)	Dec. 25, 2010 Cash Flow Hedging [Member] Cross currency swaps GBP (£)	Apr. 10, 2007 Cash Flow Hedging [Member] Cross currency swaps CAD	Apr. 10, 2007 Cash Flow Hedging [Member] Cross currency swaps GBP (£)	Sep. 24, 2011 Cash Flow Hedging [Member] Cross currency swaps Derivative Liability Curremt [Member] USD ($)	Sep. 24, 2011 Cash Flow Hedging [Member] Cross currency swaps Derivative Liability Non Current [Member] USD ($)	Sep. 24, 2011 Commodity swaps
Schedule of Trading Securities and Other Trading Assets
Unrealized Gain (Loss) on Interest Rate Cash Flow Hedges, Pretax, Accumulated Other Comprehensive Income (Loss)			$ 400,000
Derivatives Percentage Of Derivatives Settled				25.00%
Derivative, Notional Amount									774,000,000	530,000,000	1,200,000,000	530,000,000
Swap transaction, principal paid							132,400,000
Derivative Liability, Fair Value, Net					218,900,000	295,500,000		394,200,000
Derivative Liabilities, Current	104,000,000	26,400,000											98,500,000
Derivative Liability Outstanding Amount Estinguished						98,700,000
Derivative hedging instruments	198,200,000	404,800,000												197,000,000
Cash Flow Hedge Loss Reclassified to Other Income				900,000
Credit risk adjustment, accumulated net increase (decrease) to other comprehensive income	$ 400,000	$ 2,700,000
Derivative, Higher Remaining Maturity Range															36 months
Maximum Length of Time Hedged in Cash Flow Hedge			3