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Cash and Cash Equivalents (Tables)
12 Months Ended
Dec. 31, 2021
Subclassifications of assets, liabilities and equities [abstract]  
Summary of Cash and Cash Equivalents For the purpose of the consolidated statements of cash flows, cash and cash equivalents consist of the following:
December 31
2021
December 31
2020
$
$
Cash183.9 278.7 
Cash in escrow 4.5 
Unrestricted investments10.0 6.3 
Cash and deposits193.9 289.5 
Bank indebtedness(7.2)(4.7)
Cash and cash equivalents186.7 284.8