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Shareholders' Equity (Tables)
9 Months Ended
Sep. 30, 2022
Restricted Stock Units (RSUs) [Member]  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Summary of Activity Related to Restricted Share Units

A summary of activity related to restricted share units (“RSUs”) during the nine-month period ended September 30, 2022, is presented below:

    

Unvested Shares

Outstanding at December 31, 2021

 

861,695

Granted

 

463,457

Forfeited

 

(53,579)

Vested and issued

 

(317,363)

Outstanding at September 30, 2022

 

954,210

Performance Shares [Member]  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Summary of Performance-Based Restricted Share Units Activity and Related Information

A summary of activity related to performance-based restricted share units (“PSUs”) during the nine-month period ended September 30, 2022, is presented below:

    

Unvested Shares

Outstanding at December 31, 2021

 

392,043

Granted

 

95,038

Forfeited

 

(87,554)

Vested and issued

 

(57,677)

Outstanding at September 30, 2022

 

341,850

Deferred Share Units [Member]  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Summary of Activity Related to Restricted Share Units

A summary of activity related to deferred share units (“DSUs”) during the nine-month period ended September 30, 2022, is presented below:

    

Vested Shares

Outstanding at December 31, 2021

 

24,442

Granted

 

2,094

Outstanding at September 30, 2022

 

26,536

Progressive Waste Solutions Ltd. [Member]  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Summary of Stock Option Activity and Related Information

Outstanding at December 31, 2021

    

45,869

Cash settled

 

(2,299)

Outstanding at September 30, 2022

 

43,570

Progressive Waste Solutions Ltd. [Member] | Restricted Stock Units (RSUs) [Member]  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Summary of Activity Related to Restricted Share Units

Outstanding at December 31, 2021

    

63,032

Cash settled

 

(5,203)

Outstanding at September 30, 2022

 

57,829