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Shareholders' Equity (Summary of Vesting Activity Related to Restricted Share Units) (Details) - Restricted Stock Units (RSUs) [Member]
9 Months Ended
Sep. 30, 2022
shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Vested over remaining service period 317,363
Forfeited (53,579)
Progressive Waste Solutions Ltd. [Member]  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Cash settled (5,203)