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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	72 Months Ended
	Nov. 30, 2022	Oct. 31, 2022	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2023	Jul. 31, 2022	Jun. 30, 2022	Dec. 31, 2016	Dec. 31, 2022	Jul. 26, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Issuance of shares under employee share purchase plan				$ 1,841		$ 1,554	$ 1,841		$ 1,554
Issuance of shares under employee share purchase plan, shares							14,594		12,015
Average daily trading volume during period								343,825
Repurchase of common stock (shares)							0		3,388,155
Aggregate cost of stock repurchased						424,999			$ 424,999
Aggregate cost of common stock repurchase
Maximum remaining number of shares available for repurchase			12,859,066				12,859,066
Maximum number of shares authorized for repurchase												12,859,066
Share repurchase plan expiration date							Aug. 09, 2023
Daily repurchase of shares, maximum								85,956
Daily Shares Repurchase (as percentage)			25.00%				25.00%
Cash dividend per share	$ 0.255	$ 0.23	$ 0.255		$ 0.230		$ 0.510		$ 0.460
Cash dividend per common share, increase	$ 0.025
Cash dividends on common stock			$ 65,351	$ 65,788	$ 59,421	$ 59,391	$ 131,140		$ 118,812
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%				1.00%
Maximum percent of eligible compensation to purchase shares			10.00%				10.00%
Maximum number of share authorized to be issued under plan			1,000,000				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]
Weighted average grant-date fair value of award							$ 133.61
Units granted in period							411,181
Vested deferred RSUs outstanding			62,201		81,712		62,201		81,712
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							$ 133.83
Units granted in period							113,347
Performance Shares \| 2023 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, 2025
Employee Stock Option \| Progressive Waste Solutions Ltd.
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted in period							0			0	0
Deferred Share Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average grant-date fair value of award							$ 136.47
Units granted in period							3,945
Vested deferred RSUs outstanding			30,481				30,481				26,536
Progressive Waste Solutions Ltd. \| Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vested deferred RSUs outstanding			52,026				52,026				57,829