Financial Instruments, Derivative Instruments And Hedging (Fair Values And The Location Of The Company's Derivative Financial Instruments In The Consolidated Balance Sheet) (Details) (Foreign Exchange Contracts [Member], USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Derivatives Designated As Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Liability Derivatives, Fair Value	$ 4,980	$ 4,566
Derivatives Designated As Hedging Instruments [Member] | Other Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Liability Derivatives, Fair Value	3,139	2,381
Derivatives Designated As Hedging Instruments [Member] | Other Liabilities [Member]
Derivatives, Fair Value [Line Items]
Liability Derivatives, Fair Value	1,841	2,185
Derivatives Not Designated As Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Asset Derivatives, Fair Value		1
Liability Derivatives, Fair Value	5,268	4,622
Derivatives Not Designated As Hedging Instruments [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Asset Derivatives, Fair Value		1
Derivatives Not Designated As Hedging Instruments [Member] | Other Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Liability Derivatives, Fair Value	211
Derivatives Not Designated As Hedging Instruments [Member] | Other Liabilities [Member]
Derivatives, Fair Value [Line Items]
Liability Derivatives, Fair Value	$ 77	$ 56