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Amounts Receivable (Tables)

12 Months Ended

Dec. 31, 2023

Subclassifications of assets, liabilities and equities [abstract]

Schedule of Receivables

			December 31, 2023			December 31, 2022
Sales tax receivables
Canada			$12.2			$15.1
Mexico			35.0			16.4
Other			0.7			1.1
Other receivables			5.5			4.6
			$53.4			$37.2

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