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Shareholders' Equity - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended		3 Months Ended		6 Months Ended	7 Months Ended	96 Months Ended
	Oct. 31, 2024	Sep. 30, 2024	Mar. 31, 2025	Mar. 31, 2024	Jul. 31, 2024	Dec. 31, 2016	Dec. 31, 2024	Jul. 23, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Issuance of shares under employee share purchase plan, shares			15,922	15,407
Issuance of shares under employee share purchase plan			$ 2,593	$ 2,183
Cash dividend per common share, increase	$ 0.03
Cash dividend per share	$ 0.315	$ 0.285	$ 0.315	$ 0.285
Maximum number of shares authorized for repurchase								12,901,981
Share repurchase plan expiration date			Aug. 11, 2025
Daily repurchase of shares, maximum					60,089
Daily Shares Repurchase (as percentage)			25.00%
Repurchase of common stock (shares)			0	0
Common shares, shares issued			258,364,361				258,067,487
Average daily trading volume during period					240,359
Aggregate cost of common stock repurchase
Maximum remaining number of shares available for repurchase			12,901,981
Cash dividends on common stock			$ 81,477	$ 73,573
2020 Employee Share Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Minimum percent of eligible compensation to purchase shares			1.00%
Maximum percent of eligible compensation to purchase shares			10.00%
Maximum number of share authorized to be issued under plan			1,000,000
Minimum | 2020 Employee Share Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price percentage of closing price of common shares			85.00%
Maximum | 2020 Employee Share Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price percentage of closing price of common shares			95.00%
Restricted stock units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vested deferred RSUs outstanding			29,092	29,980
Weighted average grant-date fair value of award			$ 185.66
Units granted in period			353,840
Restricted stock units (RSUs) | Progressive Waste Solutions Ltd.
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units granted in period			0			0	0
Performance shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average grant-date fair value of award			$ 176.19
Units granted in period			80,104
Performance shares | 2025 Performance-Based Restricted Share Units, Plan One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period of award			3 years
Performance period end date			Dec. 31, 2027
Deferred share units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vested deferred RSUs outstanding			22,903				20,418
Weighted average grant-date fair value of award			$ 189.04
Units granted in period			2,485
Progressive Waste Solutions Ltd. | Restricted stock units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vested deferred RSUs outstanding			43,716				45,466

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(30))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481520/505-30-50-4

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481549/505-30-45-1

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- Definition

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- Definition

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+ References

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+ References

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- Definition

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+ References

No definition available.

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+ References

No definition available.

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- Definition

The lowest percentage of annual salary that an employee is permitted to utilize with respect to the plan.

+ References

No definition available.

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