Derivative Instruments And Hedging Activities (Gain Loss On Derivative Cash Flow Hedges Reclassified From AOCI Into Income) (Detail) (Cash Flow Hedging [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 25, 2011	Sep. 30, 2012	Sep. 25, 2011
Derivative Instruments And Hedging Activities [Line Items]
Amount of Gain/(Loss) Reclassified from AOCI into Income	$ 7,334	$ (6,353)	$ 16,847	$ (30,251)
Expected to be Reclassified Over the Next Twelve Months	1,470
Interest Rate Swaps Unsecured Commercial Paper [Member]
Derivative Instruments And Hedging Activities [Line Items]
Amount of Gain/(Loss) Reclassified from AOCI into Income	(327)	(1,254)	(2,262)	(3,940)
Expected to be Reclassified Over the Next Twelve Months	674
Foreign Currency Contracts [Member]
Derivative Instruments And Hedging Activities [Line Items]
Amount of Gain/(Loss) Reclassified from AOCI into Income	7,742	(5,058)	19,846	(25,846)
Expected to be Reclassified Over the Next Twelve Months	876
Natural Gas Contracts [Member]
Derivative Instruments And Hedging Activities [Line Items]
Amount of Gain/(Loss) Reclassified from AOCI into Income	(81)	(41)	(737)	(465)
Expected to be Reclassified Over the Next Twelve Months	$ (80)