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Shareholders' Equity - Summary of Activity Related to RSUs (Details) | 9 Months Ended
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Sep. 30, 2025 $ / shares shares
Restricted stock units (RSUs) |
Unvested shares |
Outstanding, shares at beginning | 912,560
Granted | 355,031
Forfeited | (36,129)
Vested and issued | 352,111
Outstanding at ending | 29,092
Outstanding, shares at ending | 879,351
Weighted-Average Grant Date Fair Value Per Share |
Granted, per Share | $ / shares | $ 185.64
Performance shares |
Unvested shares |
Outstanding, shares at beginning | 219,143
Granted | 80,104
Vested and issued | 87,964
Outstanding, shares at ending | 211,283
Weighted-Average Grant Date Fair Value Per Share |
Granted, per Share | $ / shares | $ 176.19
Deferred share units |
Unvested shares |
Outstanding at beginning | 20,418
Granted | 2,485
Outstanding at ending | 22,903
Weighted-Average Grant Date Fair Value Per Share |
Granted, per Share | $ / shares | $ 189.04
Progressive Waste Solutions Ltd. | Restricted stock units (RSUs) |
Unvested shares |
Outstanding at beginning | 45,466
Cash settled | (1,750)
Outstanding at ending | 43,716

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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(03) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(02) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Number of equity-based awards settled with cash in the period + References No definition available. + Details
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