CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Revenues	$ 1,116.8	$ 1,197.9	$ 3,376.5	$ 3,430.7
Cost of services	794.4	839.0	2,401.4	2,401.2
Gross profit	322.4	358.9	975.1	1,029.5
Selling, general and administrative expenses	206.0	232.6	640.6	665.1
Amortization of intangible assets	17.8	17.9	53.8	45.3
Operating income	98.6	108.4	280.7	319.1
Interest expense	(18.5)	(12.1)	(49.7)	(31.5)
Income before Income Taxes	80.1	96.3	231.0	287.6
Provision for income taxes	20.7	25.2	62.0	76.3
Income from continuing operations	59.4	71.1	169.0	211.3
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax	0.0	2.1	0.0	1.2
Net income	$ 59.4	$ 73.2	$ 169.0	$ 212.5
Basic —
Earnings Per Share Basic Continuing Operation	$ 1.23	$ 1.42	$ 3.46	$ 4.15
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share	0	0.04	0	0.02
Basic earnings per share:	1.23	1.46	3.46	4.17
Diluted —
Earnings Per Share Diluted Continuing Operation	1.23	1.40	3.43	4.09
Earnings Per Share Diluted Discontinued Operations	0	0.04	0	0.02
Diluted earnings per share:	$ 1.23	$ 1.44	$ 3.43	$ 4.11
Number of shares and share equivalents used to calculate earnings per share:
Weighted-average number of common shares outstanding — basic	48.1	50.1	48.8	50.9
Diluted	48.4	50.7	49.2	51.6
Reconciliation of net income to comprehensive income:
Net income	$ 59.4	$ 73.2	$ 169.0	$ 212.5
Foreign currency translation adjustment	(1.3)	(2.2)	1.1	(3.9)
Comprehensive income	$ 58.1	$ 71.0	$ 170.1	$ 208.6