Condensed Consolidated Statement of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2016	Mar. 31, 2015
Net income	$ 22,281	$ 21,276
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustment	578	(14,261)
Unrealized gains on marketable securities	21	(619)
Comprehensive income	$ 22,880	$ 6,396

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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