Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2023

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				Six Months Ended
	June 30,				June 30,
Award type	2023		2022		2023		2022
Stock appreciation rights	$	3.1	$	2.5	$	5.6	$	4.4
Restricted stock units	28.9		21.8		71.1		51.8
Common stock equivalents	0.3		0.2		0.6		0.4
Total (1)	$	32.3	$	24.5	$	77.3	$	56.6

Schedule Of Stock-Based Compensation Expense By Expense Category

	Three Months Ended				Six Months Ended
	June 30,				June 30,
Expense category line item	2023		2022		2023		2022
Cost of services and product development	$	12.7	$	7.9	$	31.0	$	19.4
Selling, general and administrative	19.6		16.6		46.3		37.2
Total (1)	$	32.3	$	24.5	$	77.3	$	56.6

(1)Includes costs of $13.1 million and $8.1 million during the three months ended June 30, 2023 and 2022, respectively, and $39.9 million and $27.3 million during the six months ended June 30, 2023 and 2022, respectively, for awards to retirement-eligible employees. Those awards vest on an accelerated basis.