Share-Based Compensation - Schedule of Share Based Compensation Expense (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Pre-tax share-based compensation expense	$ 18.2	$ 15.5	$ 40.2	$ 47.8
Less: Income tax benefit	(3.8)	(3.2)	(8.4)	(10.0)
Total share-based compensation expense, net of tax	14.4	12.3	31.8	37.8
Cost of revenue
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Pre-tax share-based compensation expense	1.2	2.0	4.3	5.9
Selling, general and administrative expenses
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Pre-tax share-based compensation expense	$ 17.0	$ 13.5	$ 35.9	$ 41.9