Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2024

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	2024		2023
Stock appreciation rights	$	4.6	$	2.5
Restricted stock units	45.6		42.2
Common stock equivalents	0.3		0.3
Total (1)	$	50.5	$	45.0

Schedule Of Stock-Based Compensation Expense By Expense Category

	Three Months Ended
	March 31,
Expense category line item	2024		2023
Cost of services and product development	$	19.5	$	18.3
Selling, general and administrative	31.0		26.7
Total (1)	$	50.5	$	45.0

(1)Includes costs of $30.6 million and $26.8 million during the three months ended March 31, 2024 and 2023, respectively, for awards to retirement-eligible employees. Those awards vest on an accelerated basis.