Financial Instruments (Derivative Instruments Measured At Fair Value) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011		Dec. 31, 2010
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	$ 15,092	[1]	$ 4,587	[1]
Total Fair Value, Derivative Liabilities			16,710	[2]
Forward Currency Contracts [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	14,806	[1]	4,475	[1]
Total Fair Value, Derivative Liabilities	(5,422)	[2]	16,362	[2]
Interest Rate Swaps [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	286	[1]	112	[1]
Total Fair Value, Derivative Liabilities			348	[2]
Derivatives Designated As Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	9,619	[1]	3,096	[1]
Total Fair Value, Derivative Liabilities			7,434	[2]
Derivatives Designated As Hedging Instruments [Member] | Forward Currency Contracts [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	9,333	[1]	2,984	[1]
Total Fair Value, Derivative Liabilities	(3,368)	[2]	7,086	[2]
Derivatives Designated As Hedging Instruments [Member] | Interest Rate Swaps [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	286	[1]	112	[1]
Total Fair Value, Derivative Liabilities			348	[2]
Derivatives Not Designated As Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	5,473	[1]	1,491	[1]
Total Fair Value, Derivative Liabilities			9,276	[2]
Derivatives Not Designated As Hedging Instruments [Member] | Forward Currency Contracts [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	5,473	[1]	1,491	[1]
Total Fair Value, Derivative Liabilities	$ (2,054)	[2]	$ 9,276	[2]

[1] Derivative assets are recorded to Prepaid expenses and other current assets in the Consolidated Balance Sheet.

[2] Derivative liabilities are recorded as Other current liabilities in the Consolidated Balance Sheet.