CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Income Statement [Abstract]
Revenues	$ 968.3	$ 968.3
Costs of services	701.7	692.9
Gross profit	266.6	275.4
Selling, general, and administrative expenses	224.4	214.5
Amortization of intangible assets	14.5	14.3
Operating income	27.7	46.6
Interest expense, net	(17.1)	(15.4)
Income before income taxes	10.6	31.2
Provision for income taxes	5.1	10.3
Net income	$ 5.5	$ 20.9
Basic
Basis (in dollars per share)	$ 0.13	$ 0.48
Diluted
Diluted (in dollars per share)	$ 0.13	$ 0.48
Shares and share equivalents used to calculate earnings per share:
Basic (in shares)	41.3	43.7
Diluted (in shares)	41.4	44.0
Reconciliation of net income to comprehensive income:
Net income	$ 5.5	$ 20.9
Foreign currency translation adjustment	(0.7)	0.8
Comprehensive income	$ 4.8	$ 21.7