Share-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2023

Share-Based Payment Arrangement [Abstract]

Schedule of share-based compensation expenses

Total share-based compensation expenses were comprised as follows (in millions):

	Three months ended September 30,				Nine months ended September 30,
	2023		2022		2023		2022
Option awards	$	2.0	$	2.5	$	9.7	$	9.7
Other share-based awards	7.9		12.8		24.7		28.6
Total share-based compensation before tax	9.9		15.3		34.4		38.3
Tax benefit	2.4		3.7		8.2		9.2
Total share-based compensation expense included in net income	$	7.5	$	11.6	$	26.2	$	29.1