Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Net income	$ 31,568	$ 23,642	$ 77,630	$ 53,132
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(4,526)	1,500	(6,999)	3,992
Change in unrealized gain (loss) on available-for-sale securities, net of tax of $241, $0, $241, 0, respectively	491	222	(554)	565
Total other comprehensive income (loss), net of tax	(4,035)	1,722	(7,553)	4,557
Comprehensive income	$ 27,533	$ 25,364	$ 70,077	$ 57,689

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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