Property, Plant and Equipment (Narrative) (Details) $ in Millions, $ in Millions			12 Months Ended
	Mar. 17, 2022 USD ($)	Mar. 17, 2022 CAD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Property, Plant and Equipment [Line Items]
Interest capitalized			$ 1.8	$ 0.1	$ 0.1
Additions of property, plant and equipment			$ 12.6	$ 13.2	$ 7.5
Recognized gain on disposition of property, plant and equipment	$ 169.1
Bolton, Ontario
Property, Plant and Equipment [Line Items]
Sale consideration	165.0	$ 208.2
Net book value of property plant and equipment	$ 7.1