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v3.26.1

Shareholders' Equity (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2026
Restricted stock units (RSUs) |
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 six-month period ended June 30, 2026, is presented below: ​
​ | ​ | ​
​ | ​ ​ ​ | Unvested Shares
Outstanding at December 31, 2025 |  | 871,272
Granted |  | 435,780
Forfeited |  | (35,925)
Vested and issued |  | (328,939)
Outstanding at June 30, 2026 |  | 942,188
Performance shares |
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 six-month period ended June 30, 2026, is presented below: ​
​ | ​ | ​
​ | ​ ​ ​ | Unvested Shares
Outstanding at December 31, 2025 |  | 211,283
Granted |  | 114,839
Forfeited |  | (951)
Vested and issued |  | (100,737)
Outstanding at June 30, 2026 |  | 224,434
Deferred share units |
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 six-month period ended June 30, 2026, is presented below: ​
​ | ​ | ​
​ | ​ ​ ​ | Vested Shares
Outstanding at December 31, 2025 |  | 22,903
Granted |  | 3,464
Share settled |  | (2,047)
Outstanding at June 30, 2026 |  | 24,320
Progressive Waste Solutions Ltd. | Restricted stock units (RSUs) |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |
Summary of Activity Related to Restricted Share Units | ​
​ | ​ | ​
Outstanding at December 31, 2025 | ​ ​ ​ | 43,716
Cash settled |  | —
Outstanding at June 30, 2026 |  | 43,716

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- Definition Line items represent financial concepts included in a table. 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