CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME
NET INCOME	$ 5,126us-gaap_NetIncomeLoss	$ 15,939us-gaap_NetIncomeLoss
OTHER COMPREHENSIVE INCOME (LOSS):
Foreign currency translation	(964)	(490)
Change in fair value of investments	(16)	188
Change in fair value of interest rate swap	74	138
Other comprehensive income before taxes	(906)	(164)
INCOME TAX EXPENSE (BENEFIT):
Foreign currency translation	(376)	(204)
Change in fair value of investments	(6)	7
Change in fair value of interest rate swap	29	57
Income tax expense	(353)	(140)
NET OTHER COMPREHENSIVE INCOME (LOSS)	(553)	(24)
TOTAL COMPREHENSIVE INCOME	$ 4,573us-gaap_ComprehensiveIncomeNetOfTax	$ 15,915us-gaap_ComprehensiveIncomeNetOfTax

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 before tax, after reclassification adjustments of gain (loss) on foreign currency translation adjustments, on 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, attributable to parent entity.

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