CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
CONSOLIDATED STATEMENTS OF OPERATIONS
Revenue	$ 170,894	$ 53,090	$ 290,272	$ 141,766
Direct operating costs	91,939	20,902	145,938	61,745
Transportation costs	26,292	10,568	44,282	24,091
Gross profit	52,663	21,620	100,052	55,930
Selling, general and administrative expenses	25,829	6,108	46,713	18,353
Operating income	26,834	15,512	53,339	37,577
Other income (expense):
Interest income	11	4	94	11
Interest expense	(4,544)	(208)	(5,488)	(651)
Foreign currency gain (loss)	(830)	683	(1,027)	(1,448)
Other	268	77	520	268
Total other income (expense)	(5,095)	556	(5,901)	(1,820)
Income before income taxes	21,739	16,068	47,438	35,757
Income tax expense	8,406	5,740	17,880	12,813
Net income	$ 13,333	$ 10,328	$ 29,558	$ 22,944
Earnings per share:
Basic (in dollars per share)	$ 0.62	$ 0.56	$ 1.37	$ 1.25
Diluted (in dollars per share)	$ 0.61	$ 0.56	$ 1.37	$ 1.24
Shares used in earnings per share calculation:
Basic (in shares)	21,570	18,459	21,526	18,395
Diluted (in shares)	21,680	18,533	21,649	18,475
Dividends paid per share (in dollars per share)	$ 0.18	$ 0.18	$ 0.54	$ 0.36