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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Net income	$ 33,255us-gaap_NetIncomeLoss	$ 38,043us-gaap_NetIncomeLoss	$ 21,868us-gaap_NetIncomeLoss
Other comprehensive (loss) income:
Unrealized (loss) gain on securities, net of tax	(142)	(11)	31
Foreign currency translation adjustments	(4,103)	469	1,495
Total other comprehensive (loss) income	(4,245)	458	1,526
Comprehensive income	$ 29,010us-gaap_ComprehensiveIncomeNetOfTax	$ 38,501us-gaap_ComprehensiveIncomeNetOfTax	$ 23,394us-gaap_ComprehensiveIncomeNetOfTax

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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- Definition

Amount after tax, before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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