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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
NET INCOME	$ 21,272	$ 20,173
Other comprehensive income (loss):
Foreign currency translation adjustment	474	478
Unrealized holding loss on investments	(65)	0
Total other comprehensive income	409	478
COMPREHENSIVE INCOME	$ 21,681	$ 20,651

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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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Amount after tax and reclassification adjustments of other comprehensive income (loss).

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