Derivative Instruments And Hedging Activities (Schedule Of Derivative Instrument Fair Value) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013		Dec. 31, 2012
Derivatives, Fair Value [Line Items]
Derivative Liability, Current	$ 3,925		$ 7,920
Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	300,836		381,885
Designated as Hedging Instrument [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Current	1,748		317
Designated as Hedging Instrument [Member] | Accrued Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Current	3,842		7,906
Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Cash Flow Hedging [Member]
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	299,550	[1]	345,021	[1]
Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Other Current Assets [Member] | Cash Flow Hedging [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Current	1,672	[1],[2]	169	[1],[2]
Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Accrued Liabilities [Member] | Cash Flow Hedging [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Current	3,842	[1],[3]	6,850	[1],[3]
Designated as Hedging Instrument [Member] | Commodity Contract [Member] | Cash Flow Hedging [Member]
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	1,286	[1]	1,064	[1]
Designated as Hedging Instrument [Member] | Commodity Contract [Member] | Other Current Assets [Member] | Cash Flow Hedging [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Current	76	[1],[2]	148	[1],[2]
Designated as Hedging Instrument [Member] | Commodity Contract [Member] | Accrued Liabilities [Member] | Cash Flow Hedging [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Current	0	[1],[3]	683	[1],[3]
Designated as Hedging Instrument [Member] | Interest Rate Swap [Member] | Cash Flow Hedging [Member]
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	0	[1]	35,800	[1]
Designated as Hedging Instrument [Member] | Interest Rate Swap [Member] | Other Current Assets [Member] | Cash Flow Hedging [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Current	0	[1],[2]	0	[1],[2]
Designated as Hedging Instrument [Member] | Interest Rate Swap [Member] | Accrued Liabilities [Member] | Cash Flow Hedging [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Current	0	[1],[3]	373	[1],[3]
Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	9,855		16,237
Not Designated as Hedging Instrument [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Current	184		0
Not Designated as Hedging Instrument [Member] | Accrued Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Current	83		14
Not Designated as Hedging Instrument [Member] | Commodity Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	9,855		16,237
Not Designated as Hedging Instrument [Member] | Commodity Contract [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Current	184	[2]	0	[2]
Not Designated as Hedging Instrument [Member] | Commodity Contract [Member] | Accrued Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Current	$ 83	[3]	$ 14	[3]

[1] Derivative designated as a cash flow hedge

[2] Included in other current assets

[3] Included in accrued liabilities