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Derivative Instruments and Hedging - Derivatives Balance Sheet Location (Details) (Foreign Exchange Contract, Designated as Hedging Instrument, USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Derivative, Fair Value, Net [Abstract]
Total derivatives	$ (3)	$ 2
Other Current Assets
Derivative, Fair Value, Net [Abstract]
Foreign exchange contracts, other current assets	10	3
Other Current Liabilities
Derivative, Fair Value, Net [Abstract]
Foreign exchange contracts, other current liabilities	$ (13)	$ (1)

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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- Definition

Fair value of derivative liability, 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.

+ References+ Details