XML 100 R80.htm IDEA: XBRL DOCUMENT v3.22.0.1
Shareholders' Equity (Narrative) (Detail) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 5 Months Ended 6 Months Ended 12 Months Ended 67 Months Ended
Oct. 31, 2021
Sep. 30, 2021
Dec. 31, 2021
Jul. 31, 2021
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2021
Jul. 27, 2021
Jun. 01, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Repurchase of common shares         3,003,822 1,271,977 0      
Aggregate cost of common shares repurchase         $ 338,993 $ 105,654        
Aggregate cost of common stock repurchase            
Cash dividend per share $ 0.23 $ 0.205     $ 0.845 $ 0.760 $ 0.665      
Cash dividend per common share, increase $ 0.025                  
Cash dividends on common stock         $ 220,203 $ 199,883 $ 175,067      
Maximum remaining number of shares available for repurchase     12,768,063   12,768,063     12,768,063    
Maximum number of shares authorized for repurchase                 13,025,895  
Share repurchase plan expiration date     Aug. 09, 2022              
Daily repurchase of shares maximum       75,704            
Daily Shares Repurchase (as percentage)     25.00%   25.00%     25.00%    
Average daily trading volume during period       302,816            
Common shares, shares issued     260,283,158   260,283,158 262,899,174   260,283,158    
Preferred stock, shares issued     0   0 0 0 0    
Issuance of shares under employee share purchase plan, shares         10,813          
Issuance of shares under employee share purchase plan         $ 1,222          
Employee Share Purchase Plan 2020 [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Minimum percent of eligible compensation to purchase shares     1.00%   1.00%     1.00%    
Maximum percent of eligible compensation to purchase shares     10.00%   10.00%     10.00%    
Maximum number of share authorized to be issued under plan     1,000,000   1,000,000     1,000,000    
2016 Incentive Award Plan [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Maximum number of share authorized to be issued under plan     7,500,000   7,500,000     7,500,000    
Minimum [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Warrant expiration         2022          
Minimum [Member] | Employee Share Purchase Plan 2020 [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Exercise price percentage of closing price of common share         85.00%          
Maximum [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Warrant expiration         2026          
Maximum [Member] | Employee Share Purchase Plan 2020 [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Exercise price percentage of closing price of common share         95.00%          
Restricted Stock Units (RSUs) [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Vested deferred RSUs outstanding     100,861   100,861 177,760 247,999 100,861    
Restricted Stock Units (RSUs) [Member] | 2004 Equity Incentive Plan                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Awards granted in period         0 0 0      
Restricted Stock Units (RSUs) [Member] | Progressive Waste Solutions Ltd. [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Awards granted in period               0    
Performance Shares [Member] | 2019 Performance Based Restricted Share Units Plan One [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Vesting period of award             3 years      
Performance period end date             Dec. 31, 2021      
Performance Shares [Member] | 2019 Performance-Based Restricted Share Units Two [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Vesting period of award             3 years      
Performance Shares [Member] | 2021 Performance Based Restricted Share Units Plan One [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Vesting period of award         3 years          
Performance period end date         Dec. 31, 2023          
Performance Shares [Member] | 2020 Performance Based Restricted Share Units Plan One [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Vesting period of award           3 years        
Performance period end date           Dec. 31, 2022        
Performance Shares [Member] | 2020 Performance Based Restricted Share Units Plan Two [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Vesting period of award           3 years        
Performance Shares [Member] | Minimum [Member] | 2019 Performance-Based Restricted Share Units Two [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Vesting period of award             1 year      
Performance Shares [Member] | Minimum [Member] | 2020 Performance Based Restricted Share Units Plan Two [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Vesting period of award           1 year        
Performance Shares [Member] | Maximum [Member] | 2019 Performance-Based Restricted Share Units Two [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Vesting period of award             4 years      
Performance Shares [Member] | Maximum [Member] | 2020 Performance Based Restricted Share Units Plan Two [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Vesting period of award           4 years        
Special Shares [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Common shares, shares issued     0   0 0 0 0    
Deferred Share Units [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Vested deferred RSUs outstanding     24,442   24,442 21,586   24,442    
Restricted Share Units and Deferred Share Units [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Sale of common shares held in trust, shares         3,522 7,330 48,375      
Restricted Share Units and Deferred Share Units [Member] | Progressive Waste Solutions Ltd. [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Acquired common shares held in trust     70,662   70,662     70,662   735,171
Progressive Waste Solutions Ltd. [Member] | Restricted Stock Units (RSUs) [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Vested deferred RSUs outstanding     63,032   63,032 66,554   63,032    
Progressive Waste Solutions Ltd. [Member] | Employee Stock Option [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Option awards granted in period               0