CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Revenues	$ 990.5	$ 923.7
Cost of services	709.6	659.8
Gross profit	280.9	263.9
Selling, general and administrative expenses	197.9	187.4
Amortization of intangible assets	12.1	13.8
Operating income	70.9	62.7
Interest expense	(11.4)	(14.5)
Income before income taxes	59.5	48.2
Provision for income taxes	15.7	13.3
Net income	$ 43.8	$ 34.9
Earnings per share:
Basic	$ 0.83	$ 0.66
Diluted	$ 0.82	$ 0.66
Number of shares and share equivalents used to calculate earnings per share:
Basic	52.8	52.6
Diluted	53.3	53.2
Reconciliation of net income to comprehensive income:
Net income	$ 43.8	$ 34.9
Foreign currency translation adjustment	(2.5)	(1.1)
Comprehensive income	$ 41.3	$ 33.8