Other Compensation Liabilities (Tables)

12 Months Ended

Dec. 31, 2021

Share-based Payment Arrangement [Abstract]

Components of other compensation liabilities

Other compensation liabilities consisted of the following at December 31 (in millions):

	2021		2020
Share-based payments liability (Note 19)	$	28.1	$	25.0
Profit interests compensation liability	30.6		0.8
Voluntary deferral plan liability (Note 18)	45.0		48.0
Total other compensation liabilities	$	103.7	$	73.8