CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Revenues	$ 1,002.7	$ 906.4	$ 2,898.7	$ 2,470.1
Cost of services	711.3	636.3	2,058.2	1,718.4
Gross profit	291.4	270.1	840.5	751.7
Selling, general and administrative expenses	188.6	177.3	574.8	521.4
Amortization of intangible assets	11.9	18.6	38.8	44.7
Operating income	90.9	74.2	226.9	185.6
Interest expense	(12.7)	(14.6)	(41.2)	(41.7)
Income before income taxes	78.2	59.6	185.7	143.9
Provision for income taxes	20.7	10.5	50.2	31.9
Income from continuing operations	57.5	49.1	135.5	112.0
Loss from discontinued operations, net of income taxes	(0.1)	0.0	(0.1)	(0.2)
Net income	$ 57.4	$ 49.1	$ 135.4	$ 111.8
Earnings per share:
Basic	$ 1.09	$ 0.94	$ 2.57	$ 2.14
Diluted	$ 1.08	$ 0.93	$ 2.54	$ 2.11
Number of shares and share equivalents used to calculate earnings per share:
Basic	52.8	52.4	52.7	52.3
Diluted	53.4	53.0	53.4	53.0
Reconciliation of net income to comprehensive income:
Net income	$ 57.4	$ 49.1	$ 135.4	$ 111.8
Foreign currency translation adjustment	(2.4)	(0.2)	(2.5)	(1.4)
Comprehensive income	$ 55.0	$ 48.9	$ 132.9	$ 110.4