CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME
NET INCOME	$ 35,730	$ 23,759	$ 80,214	$ 54,037
OTHER COMPREHENSIVE INCOME (LOSS):
Foreign currency translation	(828)	(460)	(728)	(623)
Change in fair value of investments	75	(453)	362	(742)
Change in fair value of interest rate swap	215	14	473	771
Other comprehensive income before taxes	(538)	(899)	107	(594)
INCOME TAX EXPENSE (BENEFIT):
Foreign currency translation	(327)	(67)	(288)	(1)
Change in fair value of investments	30	(179)	143	(217)
Change in fair value of interest rate swap	86	9	187	306
Income tax expense	(211)	(237)	42	88
NET OTHER COMPREHENSIVE INCOME (LOSS)	(327)	(662)	65	(682)
TOTAL COMPREHENSIVE INCOME	$ 35,403	$ 23,097	$ 80,279	$ 53,355

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