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Derivative Instruments (Details 1) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 6 Months Ended | ||
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Jun. 30, 2012
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Jun. 30, 2011
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Jun. 30, 2012
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Jun. 30, 2011
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Foreign Exchange Forward Contract Derivatives in cash flow hedging relationships [Member]
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| Foreign Exchange Forward Contract Derivatives in cash flow hedging relationships: | ||||
| Net gain (loss) recognized in OCI (a) | $ (690) | $ 41 | $ (110) | $ 66 |
| Net gain (loss) recognized from accumulated OCI into net loss (b) | (105) | 242 | (181) | 535 |
| Net gain (loss) recognized in net loss (c) | (1) | 15 | (5) | 55 |
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Foreign Exchange Forward Contract Derivatives not designated as hedging relationships [Member]
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| Foreign Exchange Forward Contract Derivatives not designated as hedging relationships: | ||||
| Net loss recognized in net loss (d) | $ (33) | $ 16 | ||