Other Charges, Net of Recoveries (Tables)

12 Months Ended

Dec. 31, 2023

Analysis of income and expense [abstract]

Disclosure of Detailed Information about Other Operating Expense

	Year ended December 31
	2021		2022		2023
Restructuring charges, net of recoveries (a)	$	10.5	$	8.4	$	11.2
Transition Costs (Recoveries) (b)	1.2		(2.1)		3.9
Credit Facility-related charges (c)	3.0		—		—
Acquisition Costs, net of recoveries (d)	6.1		0.4		1.0
Other recoveries, net of costs (e)	(10.5)		—		(0.9)
	$	10.3	$	6.7	$	15.2