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		6 Months Ended
	Jun. 25, 2017	Jun. 26, 2016	Jun. 25, 2017	Jun. 26, 2016
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recognized in OCI, before tax	$ (12,650)	$ 8,136	$ (24,553)	$ (4,580)
Amount of Gain/(Loss) Reclassified from AOCL into Income	3,875	3,357	6,349	3,907
Expected to be Reclassified Over the Next Twelve Months			(4,119)
Foreign Currency Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recognized in OCI, before tax	(11,851)	8,017	(23,648)	(4,507)
Foreign Currency Contracts | Cost of Sales
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Reclassified from AOCL into Income	3,957	3,551	6,473	4,407
Expected to be Reclassified Over the Next Twelve Months			(3,538)
Commodity Contract
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recognized in OCI, before tax	(80)	119	(186)	(73)
Commodity Contract | Cost of Sales
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Reclassified from AOCL into Income	17	(104)	65	(319)
Expected to be Reclassified Over the Next Twelve Months			(75)
Treasury Rate Locks
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recognized in OCI, before tax	(719)	0	(719)	0
Treasury Rate Locks | Interest Expense
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Reclassified from AOCL into Income	$ (99)	$ (90)	(189)	$ (181)
Expected to be Reclassified Over the Next Twelve Months			$ (506)