Derivative Instruments And Hedging Activities (Derivative Instrument Fair Value) (Detail) - USD ($) $ in Thousands		Sep. 27, 2015	Dec. 31, 2014	Sep. 28, 2014
Derivatives Designated As Hedging Instruments [Member]
Derivative [Line Items]
Derivative, Notional Amount		$ 461,620	$ 340,805	$ 368,676
Derivatives Designated As Hedging Instruments [Member] | Other Current Assets [Member]
Derivative [Line Items]
Derivative Asset, Current	[1]	18,015	32,244	24,908
Derivatives Designated As Hedging Instruments [Member] | Accrued Liabilities [Member]
Derivative [Line Items]
Derivative Liability, Current	[2]	187	414	100
Derivatives Designated As Hedging Instruments [Member] | Foreign Currency Contracts [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative, Notional Amount	[3]	460,323	339,077	367,077
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]	18,015	32,244	24,908
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]	19	0	0
Derivatives Designated As Hedging Instruments [Member] | Commodity Contract [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative, Notional Amount	[3]	1,297	1,728	1,599
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]	168	414	100
Derivatives Not Designated As Hedging Instruments [Member]
Derivative [Line Items]
Derivative, Notional Amount		7,027	11,804	7,711
Derivatives Not Designated As Hedging Instruments [Member] | Other Current Assets [Member]
Derivative [Line Items]
Derivative Asset, Current	[1]	0	0	0
Derivatives Not Designated As Hedging Instruments [Member] | Accrued Liabilities [Member]
Derivative [Line Items]
Derivative Liability, Current	[2]	1,122	1,613	341
Derivatives Not Designated As Hedging Instruments [Member] | Commodity Contract [Member]
Derivative [Line Items]
Derivative, Notional Amount		7,027	11,804	7,711
Derivatives Not Designated As Hedging Instruments [Member] | Commodity Contract [Member] | Other Current Assets [Member]
Derivative [Line Items]
Derivative Asset, Current	[1]	0	0	0
Derivatives Not Designated As Hedging Instruments [Member] | Commodity Contract [Member] | Accrued Liabilities [Member]
Derivative [Line Items]
Derivative Liability, Current	[2]	$ 1,122	$ 1,613	$ 341

[1] Foreign currency and commodity contract fair value included in other current assets

[2] Included in accrued liabilities

[3] Derivative designated as a cash flow hedge