Derivative Instruments and Hedging Activities (Gain Loss On Derivative Cash Flow Hedges Recognized In OCI) (Detail) - Designated as Hedging Instrument - Cash Flow Hedging - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 25, 2016	Sep. 27, 2015	Sep. 25, 2016	Sep. 27, 2015
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recognized in OCI, before tax	$ (895)	$ (4,088)	$ (5,475)	$ 27,339
Amount of Gain/(Loss) Reclassified from AOCL into Income	2,330	12,643	6,237	47,585
Expected to be Reclassified Over the Next Twelve Months			4,236
Foreign Currency Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recognized in OCI, before tax	(938)	6,796	(5,445)	35,004
Foreign Currency Contracts | Cost of Sales
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Reclassified from AOCL into Income	2,399	12,771	6,806	48,175
Expected to be Reclassified Over the Next Twelve Months			4,488
Commodity Contract
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recognized in OCI, before tax	43	(138)	(30)	(284)
Commodity Contract | Cost of Sales
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Reclassified from AOCL into Income	21	(68)	(298)	(530)
Expected to be Reclassified Over the Next Twelve Months			110
Treasury Rate Locks
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recognized in OCI, before tax	0	(10,746)	0	(7,381)
Treasury Rate Locks | Interest Expense
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Reclassified from AOCL into Income	$ (90)	$ (60)	(271)	$ (60)
Expected to be Reclassified Over the Next Twelve Months			$ (362)