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Accounts Payable and Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2021

Subclassifications of assets, liabilities and equities [abstract]

Schedule of Accounts Payable and Accrued Liabilities

			December 31, 2021			December 31, 2020
Trade accounts payable and accrued liabilities			$137.6			$117.7
Royalties payable			3.0			3.3
Share-based compensation liability			13.1			9.9
Current portion of decommissioning liability			3.3			—
Current portion of equipment financing obligations			0.4			0.5
			$157.4			$131.4

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