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Derivatives (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Derivatives designated as hedging instruments:
Foreign currency forward contracts, Prepaid expenses and other current assets	$ 125	$ 0
Foreign currency forward contracts, Accrued expenses	$ 0	$ 1,782

X

- Definition

Fair value of the gross assets less the gross liabilities of a derivative asset or group of derivative assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 45

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- Definition

Fair value of the gross liabilities less the gross assets of a derivative liability or group of derivative liabilities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 45

-Paragraph 6

-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41271-113958



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-Publisher FASB

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-URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13433-108611



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-Publisher FASB

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-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958



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