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Condensed Consolidated Statements of Comprehensive Income (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Statement of Comprehensive Income [Abstract]    
Net income $ 10,051us-gaap_NetIncomeLoss $ 12,087us-gaap_NetIncomeLoss
Other comprehensive loss    
Translation adjustment, net of tax benefit (expense) of ($72) and $11, respectively (16,328)us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent (1,196)us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent
Comprehensive income (loss) $ (6,277)us-gaap_ComprehensiveIncomeNetOfTax $ 10,891us-gaap_ComprehensiveIncomeNetOfTax