Comprehensive Income	3 Months Ended
Mar. 31, 2012
Comprehensive Income [Abstract]
Comprehensive Income	(4) Comprehensive Income. Comprehensive income for the three months ending March 31, 2012 and 2011 was $3,526 and $1,368, net of provision for income taxes, respectively. The components used to calculate comprehensive income were foreign currency translation adjustments of $728 and $20 in 2012 and 2011, respectively, and unrealized holding gains of $9 and $12 in 2012 and 2011, respectively.

The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income.

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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