Derivative Instruments And Hedging Activities (Derivative Instrument Fair Value) (Detail) - USD ($) $ in Thousands		Mar. 27, 2016	Dec. 31, 2015	Mar. 29, 2015
Derivatives Designated As Hedging Instruments [Member]
Derivative [Line Items]
Derivative, Notional Amount		$ 489,088	$ 437,320	$ 418,276
Derivatives Designated As Hedging Instruments [Member] | Other Current Assets [Member]
Derivative [Line Items]
Derivative Asset, Current	[1]	3,592	16,167	49,290
Derivatives Designated As Hedging Instruments [Member] | Accrued Liabilities [Member]
Derivative [Line Items]
Derivative Liability, Current	[2]	2,357	340	232
Derivatives Designated As Hedging Instruments [Member] | Foreign Currency Contracts [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative, Notional Amount	[3]	488,193	436,352	416,844
Derivatives Designated As Hedging Instruments [Member] | Foreign Currency Contracts [Member] | Other Current Assets [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative Asset, Current	[1],[3]	3,592	16,167	49,290
Derivatives Designated As Hedging Instruments [Member] | Foreign Currency Contracts [Member] | Accrued Liabilities [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative Liability, Current	[2],[3]	2,222	181	12
Derivatives Designated As Hedging Instruments [Member] | Commodity Contract [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative, Notional Amount	[3]	895	968	1,432
Derivatives Designated As Hedging Instruments [Member] | Commodity Contract [Member] | Other Current Assets [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative Asset, Current	[1],[3]	0	0	0
Derivatives Designated As Hedging Instruments [Member] | Commodity Contract [Member] | Accrued Liabilities [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative Liability, Current	[2],[3]	135	159	220
Derivatives Not Designated As Hedging Instruments [Member]
Derivative [Line Items]
Derivative, Notional Amount		6,004	6,510	11,358
Derivatives Not Designated As Hedging Instruments [Member] | Other Current Assets [Member]
Derivative [Line Items]
Derivative Asset, Current	[1]	59	68	0
Derivatives Not Designated As Hedging Instruments [Member] | Accrued Liabilities [Member]
Derivative [Line Items]
Derivative Liability, Current	[2]	819	960	1,654
Derivatives Not Designated As Hedging Instruments [Member] | Commodity Contract [Member]
Derivative [Line Items]
Derivative, Notional Amount		6,004	6,510	11,358
Derivatives Not Designated As Hedging Instruments [Member] | Commodity Contract [Member] | Other Current Assets [Member]
Derivative [Line Items]
Derivative Asset, Current	[1]	59	68	0
Derivatives Not Designated As Hedging Instruments [Member] | Commodity Contract [Member] | Accrued Liabilities [Member]
Derivative [Line Items]
Derivative Liability, Current	[2]	$ 819	$ 960	$ 1,654

[1] Included in other current assets

[2] Included in accrued liabilities

[3] Derivative designated as a cash flow hedge