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Accounts Payable and Accrued Liabilities
12 Months Ended
Dec. 31, 2020
Subclassifications of assets, liabilities and equities [abstract]  
Accounts Payable and Accrued Liabilities
8.ACCOUNTS PAYABLE AND ACCRUED LIABILITIES
December 31, 2020December 31, 2019
Trade accounts payable and accrued liabilities$117.7 $118.3 
Royalties payable3.3 4.4 
Share-based compensation liability9.9 3.8 
Current portion of equipment financing obligations0.5 0.8 
$131.4 $127.3