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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2018 | Mar. 31, 2017
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME |  |
Net income, as reported | $ 216,050 | $ 177,980
Other comprehensive income: |  |
Change in foreign currency translation adjustment | 2,723 | 1,201
Available-for-sale investments: |  |
Change in net unrealized gains | 215 | 131
Net change in available-for-sale investments | 215 | 131
Other comprehensive income | 2,938 | 1,332
Comprehensive income | $ 218,988 | $ 179,312

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