CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Revenues	$ 923.7	$ 685.2
Cost of services	659.8	467.5
Gross profit	263.9	217.7
Selling, general and administrative expenses	187.4	164.4
Amortization of intangible assets	13.8	7.6
Operating income	62.7	45.7
Interest expense	(14.5)	(6.6)
Income before income taxes	48.2	39.1
Provision for income taxes	13.3	9.9
Income from continuing operations	34.9	29.2
Loss from discontinued operations, net of income taxes	0.0	(0.1)
Net income	$ 34.9	$ 29.1
Earnings per share:
Basic	$ 0.66	$ 0.56
Diluted	$ 0.66	$ 0.55
Number of shares and share equivalents used to calculate earnings per share:
Basic	52.6	52.2
Diluted	53.2	52.8
Reconciliation of net income to comprehensive income:
Net income	$ 34.9	$ 29.1
Foreign currency translation adjustment	(1.1)	1.5
Comprehensive income	$ 33.8	$ 30.6