CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Revenues	$ 936.8	$ 972.3	$ 1,927.3	$ 1,896.0
Cost of services	676.0	687.1	1,385.6	1,346.9
Gross profit	260.8	285.2	541.7	549.1
Selling, general and administrative expenses	172.2	198.8	370.1	386.2
Amortization of intangible assets	12.6	13.1	24.7	26.9
Operating income	76.0	73.3	146.9	136.0
Interest expense	(9.7)	(14.0)	(21.1)	(28.5)
Income before income taxes	66.3	59.3	125.8	107.5
Provision for income taxes	17.5	16.2	33.2	29.5
Net income	$ 48.8	$ 43.1	$ 92.6	$ 78.0
Earnings per share:
Basic	$ 0.93	$ 0.82	$ 1.76	$ 1.48
Diluted	$ 0.92	$ 0.81	$ 1.74	$ 1.46
Number of shares and share equivalents used to calculate earnings per share:
Basic	52.5	52.8	52.7	52.7
Diluted	53.0	53.4	53.1	53.3
Reconciliation of net income to comprehensive income:
Net income	$ 48.8	$ 43.1	$ 92.6	$ 78.0
Foreign currency translation adjustment	1.6	1.0	(0.9)	(0.1)
Comprehensive income	$ 50.4	$ 44.1	$ 91.7	$ 77.9