Accounts Payable and Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2019

Subclassifications of assets, liabilities and equities [abstract]

Schedule of Accounts Payable and Accrued Liabilities

	December 31, 2019		December 31, 2018
Trade accounts payable and accrued liabilities	$118.3		$117.6
Royalties payable	4.4		4.8
Share-based compensation liability	3.8		1.6
Current portion of equipment financing obligations	0.8		2.6
Derivative liabilities (note 15)	—		5.3
		$127.3		$131.9