CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
CONSOLIDATED STATEMENTS OF OPERATIONS
Revenue	$ 447,411us-gaap_Revenues	$ 201,126us-gaap_Revenues	$ 169,138us-gaap_Revenues
Direct operating costs	301,625us-gaap_DirectOperatingCosts	122,140us-gaap_DirectOperatingCosts	102,841us-gaap_DirectOperatingCosts
Gross profit	145,786us-gaap_GrossProfit	78,986us-gaap_GrossProfit	66,297us-gaap_GrossProfit
Selling, general and administrative expenses	73,336	26,055	25,659
Operating income	72,450us-gaap_OperatingIncomeLoss	52,931us-gaap_OperatingIncomeLoss	40,638us-gaap_OperatingIncomeLoss
Other income (expense):
Interest income	107us-gaap_InvestmentIncomeInterest	19us-gaap_InvestmentIncomeInterest	17us-gaap_InvestmentIncomeInterest
Interest expense	(10,677)us-gaap_InterestExpense	(828)us-gaap_InterestExpense	(878)us-gaap_InterestExpense
Foreign currency gain (loss)	(1,499)	(2,327)	1,213
Other	669us-gaap_OtherNonoperatingIncomeExpense	352us-gaap_OtherNonoperatingIncomeExpense	728us-gaap_OtherNonoperatingIncomeExpense
Total other income (expense)	(11,400)us-gaap_NonoperatingIncomeExpense	(2,784)us-gaap_NonoperatingIncomeExpense	1,080us-gaap_NonoperatingIncomeExpense
Income before income taxes	61,050	50,147	41,718
Income tax expense	22,814us-gaap_IncomeTaxExpenseBenefit	17,996us-gaap_IncomeTaxExpenseBenefit	16,059us-gaap_IncomeTaxExpenseBenefit
Net income	$ 38,236	$ 32,151	$ 25,659
Earnings per share:
Basic (in dollars per share)	$ 1.78us-gaap_EarningsPerShareBasic	$ 1.73us-gaap_EarningsPerShareBasic	$ 1.41us-gaap_EarningsPerShareBasic
Diluted (in dollars per share)	$ 1.77us-gaap_EarningsPerShareDiluted	$ 1.72us-gaap_EarningsPerShareDiluted	$ 1.40us-gaap_EarningsPerShareDiluted
Shares used in earnings per share calculation:
Basic (in shares)	21,537	18,592	18,238
Diluted (in shares)	21,655	18,676	18,281

The aggregate direct operating costs incurred during the reporting period.

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