Other Charges, Net of Recoveries (Tables)

12 Months Ended

Dec. 31, 2022

Analysis of income and expense [abstract]

Disclosure of Detailed Information about Other Operating Expense

	Year ended December 31
	2020		2021		2022
Restructuring charges, net of recoveries (a)	$	25.8	$	10.5	$	8.4
Transition Costs (Recoveries) (b)	—		1.2		(2.1)
Credit Facility-related charges (c)	—		3.0		—
Acquisition Costs (Recoveries) and Other (d)	(2.3)		(4.4)		0.4
	$	23.5	$	10.3	$	6.7