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Condensed Consolidated Statements of Comprehensive Income (USD $) In Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2011 | Jun. 30, 2010 | Jun. 30, 2011 | Jun. 30, 2010
Net income | $ 19,206 | $ 52,393 | $ 71,848 | $ 78,437
Other comprehensive income (loss), net of tax |  |  |  |
Foreign currency translation | 686 | (152) | 1,157 | (825)
Unrealized gain on available-for-sale securities | 194 |  | 220 |
Comprehensive income | $ 20,086 | $ 52,241 | $ 73,225 | $ 77,612

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