CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
CONSOLIDATED STATEMENTS OF OPERATIONS
Revenue	$ 136,912	$ 126,057	$ 256,971	$ 236,291
Direct operating costs	95,464	90,161	179,852	168,522
Gross profit	41,448	35,896	77,119	67,769
Selling, general and administrative expenses	21,156	20,000	43,388	39,714
Operating income	20,292	15,896	33,731	28,055
Other income (expense):
Interest income	39	21	63	31
Interest expense	(2,907)	(8,474)	(5,716)	(12,604)
Foreign currency gain (loss)	(139)	158	(153)	246
Other	193	166	2,316	303
Total other expense	(2,814)	(8,129)	(3,490)	(12,024)
Income before income taxes	17,478	7,767	30,241	16,031
Income tax expense	4,258	2,718	7,778	5,797
Net income	$ 13,220	$ 5,049	$ 22,463	$ 10,234
Earnings per share:
Basic (in dollars per share)	$ 0.60	$ 0.23	$ 1.03	$ 0.47
Diluted (in dollars per share)	$ 0.60	$ 0.23	$ 1.02	$ 0.47
Shares used in earnings per share calculation:
Basic (in shares)	21,867	21,751	21,835	21,738
Diluted (in shares)	22,024	21,890	21,991	21,874
Dividends paid per share (in dollars per share)	$ 0.18	$ 0.18	$ 0.36	$ 0.36