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Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016
Statement of Comprehensive Income [Abstract] |  |  |  |
Net income | $ 28,197 | $ 29,797 | $ 79,532 | $ 72,341
Other comprehensive income (loss): |  |  |  |
Translation adjustment, net of tax expense (benefit) | 5,543 | 232 | 19,492 | 5,244
Comprehensive income | $ 33,740 | $ 30,029 | $ 99,024 | $ 77,585

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