Shareholders' Equity - Summary of Activity Related to RSUs (Details)	9 Months Ended
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

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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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

+ 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

+ 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

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

+ References

+ 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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- Definition

The number of equity-based instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

No definition available.

+ Details

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Rollforward [Abstract]

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No definition available.

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Share based Compensation Arrangement by Share based Payment Award, Equity Instruments Other than Options, Weighted Average Grant Date Fair Value [Abstract]

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No definition available.

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