CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Revenues	$ 582,040	$ 430,045
Cost of services	394,258	294,170
Gross profit	187,782	135,875
Selling, general and administrative expenses	139,881	105,935
Amortization of intangible assets	10,144	4,869
Operating income	37,757	25,071
Interest expense, net	(9,025)	(3,067)
Income before income taxes	28,732	22,004
Provision for income taxes	11,384	8,981
Income from continuing operations	17,348	13,023
Gain on sale of discontinued operations, net of income taxes	0	25,703
Income from discontinued operations, net of income taxes	53	409
Net income	$ 17,401	$ 39,135
Basic earnings per common share:
Income from continuing operations	$ 0.33	$ 0.25
Discontinued operations	0.00	0.51
Net income	0.33	0.76
Diluted earnings per common share:
Income from continuing operations	0.32	0.25
Discontinued operations	0.00	0.50
Net income	$ 0.32	$ 0.75
Number of shares and share equivalents used to calculate earnings per share:
Basic	53,147	51,519
Diluted	53,644	52,209
Reconciliation of net income to comprehensive income:
Net income	$ 17,401	$ 39,135
Changes in fair value of derivative, net of tax	0	47
Foreign currency translation adjustment	1,343	(3,724)
Comprehensive income	$ 18,744	$ 35,458