Derivative Financial Instruments (Balance Sheet Location And Fair Value Of Assets And Liabilities Associated With Derivative Financial Instruments) (Details) (Foreign Exchange Contracts [Member], USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Foreign Exchange Contracts [Member]
Derivatives, Fair Value [Line Items]
Prepaid expenses and other current assets		$ 4
Other current liabilities	$ 50