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Other Comprehensive Income (Loss) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Comprehensive income (loss) component, foreign currency translation
Before-tax amount	$ 20	$ (115)	$ 13	$ (53)
Tax expense (benefit)	6	(33)	3	(17)
Net-of-tax amount	$ 14	$ (82)	$ 10	$ (36)

X

- Definition

Amount before tax, net of reclassification adjustments, resulting from the process of expressing in the reporting currency of the reporting entity those amounts that are denominated or measured in a different currency, and from transactions whose terms are denominated in a currency other than the entity's functional currency, which is attributable to the parent entity.

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