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Derivatives and Other Financial Instruments (Details) (Foreign Currency Exchange Contracts, Not designated as hedging instrument, USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Derivatives, Fair Value [Line Items]
Derivative asset fair value gross asset	$ 88	$ 16
Other Current Assets
Derivatives, Fair Value [Line Items]
Derivative asset fair value gross asset	$ 88	$ 16

Fair value of derivative asset, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and qualifies for net presentation in the statement of financial position.

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