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Other Non-Current Assets (Details) - USD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Subclassifications of assets, liabilities and equities [abstract]    
Investment tax credits (Canada) $ 28.2 $ 30.4
Esperanza Milestone Payments (i)   0.0
Other 12.1 12.6
Other non-current assets $ 59.4 $ 43.0