Derivative Instruments And Hedging Activities (Derivative Instrument Fair Value) (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 29, 2015		Dec. 31, 2014		Mar. 30, 2014
Derivatives Designated As Hedging Instruments [Member]
Derivative [Line Items]
Derivative, Notional Amount	$ 418,276		$ 340,805		$ 270,509
Derivatives Designated As Hedging Instruments [Member] | Other Current Assets [Member]
Derivative [Line Items]
Derivative Asset, Current	49,290	[1]	32,244	[1]	99	[1]
Derivatives Designated As Hedging Instruments [Member] | Accrued Liabilities [Member]
Derivative [Line Items]
Derivative Liability, Current	232	[2]	414	[2]	3,589	[2]
Derivatives Designated As Hedging Instruments [Member] | Foreign Currency Contracts [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative, Notional Amount	416,844	[3]	339,077	[3]	269,342	[3]
Derivatives Designated As Hedging Instruments [Member] | Foreign Currency Contracts [Member] | Other Current Assets [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative Asset, Current	49,290	[1],[3]	32,244	[1],[3]	5	[1],[3]
Derivatives Designated As Hedging Instruments [Member] | Foreign Currency Contracts [Member] | Accrued Liabilities [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative Liability, Current	12	[2],[3]	0	[2],[3]	3,589	[2],[3]
Derivatives Designated As Hedging Instruments [Member] | Commodity Contract [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative, Notional Amount	1,432	[3]	1,728	[3]	1,167	[3]
Derivatives Designated As Hedging Instruments [Member] | Commodity Contract [Member] | Other Current Assets [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative Asset, Current	0	[1],[3]	0	[1],[3]	94	[1],[3]
Derivatives Designated As Hedging Instruments [Member] | Commodity Contract [Member] | Accrued Liabilities [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative Liability, Current	220	[2],[3]	414	[2],[3]	0	[2],[3]
Derivatives Not Designated As Hedging Instruments [Member]
Derivative [Line Items]
Derivative, Notional Amount	11,358		11,804		9,348
Derivatives Not Designated As Hedging Instruments [Member] | Other Current Assets [Member]
Derivative [Line Items]
Derivative Asset, Current	0	[1]	0	[1]	6	[1]
Derivatives Not Designated As Hedging Instruments [Member] | Accrued Liabilities [Member]
Derivative [Line Items]
Derivative Liability, Current	1,654	[2]	1,613	[2]	92	[2]
Derivatives Not Designated As Hedging Instruments [Member] | Commodity Contract [Member]
Derivative [Line Items]
Derivative, Notional Amount	11,358		11,804		9,348
Derivatives Not Designated As Hedging Instruments [Member] | Commodity Contract [Member] | Other Current Assets [Member]
Derivative [Line Items]
Derivative Asset, Current	0	[1]	0	[1]	6	[1]
Derivatives Not Designated As Hedging Instruments [Member] | Commodity Contract [Member] | Accrued Liabilities [Member]
Derivative [Line Items]
Derivative Liability, Current	$ 1,654	[2]	$ 1,613	[2]	$ 92	[2]

[1] Included in other current assets

[2] Included in accrued liabilities

[3] Derivative designated as a cash flow hedge