Derivative Instruments And Hedging Activities (Derivative Instrument Fair Value) (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013		Dec. 31, 2012		Jul. 01, 2012
Derivatives Designated As Hedging Instruments [Member]
Derivative [Line Items]
Derivative, Notional Amount	$ 334,633		$ 381,885	[1]	$ 286,887
Derivatives Designated As Hedging Instruments [Member] | Other Current Assets [Member]
Derivative [Line Items]
Derivative Asset, Current	11,214	[2]	317	[1]	8,879	[2]
Derivatives Designated As Hedging Instruments [Member] | Accrued Liabilities [Member]
Derivative [Line Items]
Derivative Liability, Current	128	[1]	7,906	[1]	2,042	[1]
Derivatives Designated As Hedging Instruments [Member] | Foreign Currency Contracts [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative, Notional Amount	333,407		345,021	[1]	244,221
Derivatives Designated As Hedging Instruments [Member] | Foreign Currency Contracts [Member] | Other Current Assets [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative Asset, Current	11,214	[2]	169	[1]	8,879	[2]
Derivatives Designated As Hedging Instruments [Member] | Foreign Currency Contracts [Member] | Accrued Liabilities [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative Liability, Current	29	[1]	6,850	[1]	1,027	[1]
Derivatives Designated As Hedging Instruments [Member] | Commodity Contract [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative, Notional Amount	1,226		1,064	[1]	1,066
Derivatives Designated As Hedging Instruments [Member] | Commodity Contract [Member] | Other Current Assets [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative Asset, Current	0	[2]	148	[1]	0	[2]
Derivatives Designated As Hedging Instruments [Member] | Commodity Contract [Member] | Accrued Liabilities [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative Liability, Current	99	[1]	683	[1]	33	[1]
Derivatives Designated As Hedging Instruments [Member] | Interest Rate Swap [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative, Notional Amount	0	[3]	35,800	[1],[3]	41,600	[3]
Derivatives Designated As Hedging Instruments [Member] | Interest Rate Swap [Member] | Other Current Assets [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative Asset, Current	0	[2],[3]	0	[1],[3]	0	[2],[3]
Derivatives Designated As Hedging Instruments [Member] | Interest Rate Swap [Member] | Accrued Liabilities [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative Liability, Current	0	[1],[3]	373	[1],[3]	982	[1],[3]
Derivatives Not Designated As Hedging Instruments [Member]
Derivative [Line Items]
Derivative, Notional Amount	11,958		16,237		4,346
Derivatives Not Designated As Hedging Instruments [Member] | Other Current Assets [Member]
Derivative [Line Items]
Derivative Asset, Current	0	[2]	0	[2]	0	[2]
Derivatives Not Designated As Hedging Instruments [Member] | Accrued Liabilities [Member]
Derivative [Line Items]
Derivative Liability, Current	442	[1]	14	[1]	0	[1]
Derivatives Not Designated As Hedging Instruments [Member] | Commodity Contract [Member]
Derivative [Line Items]
Derivative, Notional Amount	11,958		16,237		4,346
Derivatives Not Designated As Hedging Instruments [Member] | Commodity Contract [Member] | Other Current Assets [Member]
Derivative [Line Items]
Derivative Asset, Current	0	[2]	0	[2]	0	[2]
Derivatives Not Designated As Hedging Instruments [Member] | Commodity Contract [Member] | Accrued Liabilities [Member]
Derivative [Line Items]
Derivative Liability, Current	$ 442	[1]	$ 14	[1]	$ 0	[1]

[1] Included in accrued liabilities

[2] Included in other current assets

[3] Derivative designated as a cash flow hedge