Financial Instruments (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Average rate currency options and forward contracts [Member] \| Other income (loss), net [Member]
Mark-to-market impact on earnings
Average rate currency options and forward contracts	$ (123)	$ 6	$ (123)	$ (142)
Interest Rate Swap [Member] \| Interest income (expense) [Member]
Mark-to-market impact on earnings
Interest rate swap	$ 18	$ (55)	$ 30	$ (32)

The amount of gain recognized in income during the period on derivative instruments designated and qualifying as hedging instruments in fair value hedges and related hedged items designated and qualifying in fair value hedges, on derivative instruments designated and qualifying as hedging instruments in cash flow hedges, and on derivative instruments not designated as hedging instruments.

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The amount of loss recognized in income during the period on derivative instruments designated and qualifying as hedging instruments in fair value hedges and related hedged items designated and qualifying in fair value hedges, on derivative instruments designated and qualifying as hedging instruments in cash flow hedges, and on derivative instruments not designated as hedging instruments.

+ References+ Details