Share-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2021

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,
	2021		2020		2021		2020
Option awards	$	2.3	$	6.3	$	7.6	$	15.9
Other share-based awards	13.1		17.6		31.2		34.8
Total share-based compensation before tax	15.4		23.9		38.8		50.7
Tax benefit	3.7		5.7		9.3		12.1
Total share-based compensation expense included in net income (loss)	$	11.7	$	18.2	$	29.5	$	38.6