Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2026

Share-Based Payment Arrangement [Abstract]

Schedule of Stock-based Compensation Expense by Award Type

The tables below summarize the Company’s stock-based compensation expense by award type and expense category line item during the periods indicated (in millions).

	Three Months Ended
	March 31,
Award type	2026		2025
Stock appreciation rights	$	3.1	$	3.4
Restricted stock units	42.5		46.6
Common stock equivalents	0.3		0.2
Total (1)	$	45.9	$	50.2

Schedule of Stock-based Compensation Expense by Expense Category

	Three Months Ended
	March 31,
Expense category line item	2026		2025
Cost of services and product development	$	16.8	$	20.6
Selling, general and administrative	29.1		29.6
Total (1)	$	45.9	$	50.2

(1)Includes costs of $23.5 million and $28.0 million during the three months ended March 31, 2026 and 2025, respectively, for awards to retirement-eligible employees. Those awards are expensed on an accelerated basis.