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Cash and Cash Equivalents (Tables)
12 Months Ended
Dec. 31, 2020
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
2020
December 31
2019
$
$
Cash278.7 208.1 
Cash in escrow4.5 — 
Unrestricted investments6.3 15.4 
Cash and deposits289.5 223.5 
Bank indebtedness(4.7)(19.5)
Cash and cash equivalents284.8 204.0