Incentive Compensation Plans Schedule of Stock-based Compensation Expense (Tables)

12 Months Ended

Dec. 31, 2021

Share-based Payment Arrangement, Additional Disclosure [Abstract]

Schedule of Stock-based Compensation Expense

The amounts of stock-based compensation expense as reflected in salaries and related expenses in our Consolidated Statements of Operations, and the related tax benefit, are listed below.

	Years ended December 31,
	2021		2020		2019
Stock-settled awards	$	36.7	$	38.4	$	33.5
Cash-settled awards	1.3		1.0		0.8
Performance-based awards	33.4		28.6		46.7
Employee stock purchase plan	2.1		1.4		1.1
Other 1	11.3		1.7		0.6
Stock-based compensation expense	$	84.8	$	71.1	$	82.7
Tax benefit	$	18.0	$	17.3	$	20.0

1Represents charges recorded for severance expense related to stock-based compensation awards.