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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2012 | Mar. 31, 2011
Net income | $ 5,748 | $ 6,639
Unrealized gain on marketable securities, net of tax | 163 | 0
Interest rate swap, net of tax | 0 | 191
Foreign currency translation adjustment, net of tax | 114 | 322
Total other comprehensive income | 277 | 513
Total comprehensive income | $ 6,025 | $ 7,152

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