Statement of Comprehensive Income (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Net income	$ 26,335us-gaap_NetIncomeLoss	$ 40,418us-gaap_NetIncomeLoss	$ 41,281us-gaap_NetIncomeLoss
Foreign currency translation adjustment	(11,747)	3,622	1,805
Comprehensive income	14,588us-gaap_ComprehensiveIncomeNetOfTax	44,040us-gaap_ComprehensiveIncomeNetOfTax	43,086us-gaap_ComprehensiveIncomeNetOfTax
Tax effect on change in other comprehensive income	$ (3,129)us-gaap_OtherComprehensiveIncomeLossTax	$ 803us-gaap_OtherComprehensiveIncomeLossTax	$ 281us-gaap_OtherComprehensiveIncomeLossTax

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

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