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DEBT (Tables)

12 Months Ended

Dec. 31, 2024

Debt And Derivatives Disclosure [Abstract]

Schedule of Debt

A summary of debt is as follows:

			December 31,
			2024						2023
Senior Secured Credit Facility:
Term loan A facility (“Term Loan Facility”) payable quarterly beginning in the fiscal year ended December 31, 2027 with balance due September 2029; bearing interest at 5.967% as of December 31, 2024			$	800,000					$	—
Term loan A facility payable quarterly with balance due December 2026 amended and restated in September 2024 as the Term Loan Facility			—						350,000
Term loan A facility payable quarterly with balance due December 2026 amended and restated in September 2024 as the Term Loan Facility			—						419,250
Revolving credit facility (“Revolving Credit Facility”) due September 2029; bearing interest at term secured overnight financing rate (“Term SOFR”) plus 1.610%			—						—
Revolving credit facility due December 2026 amended and restated in September 2024 as the Revolving Credit Facility			—						—
Tax-Exempt Bonds:
New York State Environmental Facilities Corporation Solid Waste Disposal Revenue Bonds Series 2014 (“New York Bonds 2014R-1”) due December 2044 - fixed rate interest period bearing interest at 2.875% through December 2029			25,000						25,000
New York State Environmental Facilities Corporation Solid Waste Disposal Revenue Bonds Series 2014R-2 (“New York Bonds 2014R-2”) due December 2044 - fixed rate interest period bearing interest at 3.125% through May 2026			15,000						15,000
New York State Environmental Facilities Corporation Solid Waste Disposal Revenue Bonds Series 2020 (“New York Bonds 2020”) due September 2050 - fixed rate interest period bearing interest at 2.750% through September 2025			40,000						40,000
New York State Environmental Facilities Corporation Solid Waste Disposal Revenue Bonds Series 2020R-2 (“New York Bonds 2020R-2”) due September 2050 - fixed rate interest period bearing interest at 5.125% through September 2030			35,000						35,000
Finance Authority of Maine Solid Waste Disposal Revenue Bonds Series 2005R-3 (“FAME Bonds 2005R-3”) due January 2025 - fixed rate interest period bearing interest at 5.25% through January 2025			25,000						25,000
Finance Authority of Maine Solid Waste Disposal Revenue Bonds Series 2015R-1 (“FAME Bonds 2015R-1”) due August 2035 - fixed rate interest period bearing interest at 5.125% through July 2025			15,000						15,000
Finance Authority of Maine Solid Waste Disposal Revenue Bonds Series 2015R-2 (“FAME Bonds 2015R-2”) due August 2035 - fixed rate interest period bearing interest at 4.375% through July 2025			15,000						15,000
Finance Authority of Maine Solid Waste Disposal Revenue Bonds Series 2024 (“FAME Bonds 2024”) due December 2047 - fixed rate interest period bearing interest at 4.625% through May 2035			45,000						—
Vermont Economic Development Authority Solid Waste Disposal Long-Term Revenue Bonds Series 2013 (“Vermont Bonds 2013”) due April 2036 - fixed rate interest period bearing interest at 4.625% through April 2028			16,000						16,000
Vermont Economic Development Authority Solid Waste Disposal Long-Term Revenue Bonds Series 2022A-1 (“Vermont Bonds 2022A-1”) due June 2052 - fixed rate interest period bearing interest at 5.00% through May 2027			35,000						35,000
Business Finance Authority of the State of New Hampshire Solid Waste Disposal Revenue Bonds Series 2013 (“New Hampshire Bonds”) due April 2029 - fixed rate interest period bearing interest at 2.95% through April 2029			11,000						11,000
Other:
Finance leases maturing through December 2107; bearing interest at a weighted average of 4.6%			69,662						53,066
Notes payable maturing through September 2028; bearing interest up to 8.1%			1,500						230
Principal amount of debt			1,148,162						1,054,546
Less—unamortized debt issuance costs			14,911						11,103
Debt less unamortized debt issuance costs			1,133,251						1,043,443
Less—current maturities of debt			42,619						35,781
Debt, less current portion			$	1,090,632					$	1,007,662

The Credit Facility shall bear interest, at our election, at Term SOFR or at a base rate, in each case plus or minus any sustainable rate adjustment of up to positive or negative 4.0 basis points per annum, plus an applicable interest rate margin based upon our consolidated net leverage ratio as follows:

Term SOFR Loans

Base Rate Loans

Credit Facility

1.300% to 2.175%

0.300% to 1.175%

Schedule of Components of Interest Expense

The components of interest expense are as follows:

			Fiscal Year Ended December 31,
			2024						2023						2022
Interest expense on long-term debt and finance leases			$	60,077					$	44,836					$	21,691
Amortization of debt issuance costs (1)			2,960						2,962						1,903
Letter of credit fees			459						423						458
Less: capitalized interest			(1,085)						(643)						(330)
Total interest expense			$	62,411					$	47,578					$	23,722

(1)Includes interest expense related to a short-term secured bridge financing entered into in connection with the GFL Acquisition and interest expense related to a short-term unsecured bridge financing entered into in connection with the Twin Bridges Acquisition of $395 and $101, respectively, during the fiscal year 2023.

Schedule of Notional Amounts

A summary of the changes to the notional amount of interest rate derivative agreements follows:

			Active						Forward Starting						Total
Balance, December 31, 2022			$	190,000					$	20,000					$	210,000
Additions			390,000						—						390,000
Commencements			20,000						(20,000)						—
Maturities			(85,000)						—						(85,000)
Balance, December 31, 2023			515,000						—						515,000
Additions			—						—						—
Commencements			—						—						—
Maturities			—						—						—
Balance, December 31, 2024 (1)			$	515,000					$	—					$	515,000

(1)These agreements mature between February 2026 and June 2028 and state that we receive interest based on Term SOFR, restricted by a 0.0% floor, and pay interest at a weighted average rate of approximately 3.60%.

Schedule of Cash Flow Hedges Related to Derivative Instruments

A summary of the effect of cash flow hedges related to derivative instruments on the consolidated balance sheets follows:

									Fair Value
			Balance Sheet Location						December 31, 2024						December 31, 2023
Interest rate swaps			Other current assets						$	3,606					$	5,951
Interest rate swaps			Other non-current assets						4,036						4,413
Total									$	7,642					$	10,364
Interest rate swaps			Other accrued liabilities						$	570					$	—
Interest rate swaps			Other long-term liabilities						2,282						11,762
Total									$	2,852					$	11,762
Interest rate swaps			Accumulated other comprehensive income (loss), net						$	4,790					$	(1,398)
Interest rate swaps - tax effect			Accumulated other comprehensive income (loss), net						(1,478)						318
									$	3,312					$	(1,080)

Schedule of Future Maturities of Debt

Aggregate principal maturities of debt as of December 31, 2024 for each of the next five fiscal years and thereafter are as follows:

Fiscal year ending December 31, 2025			$	42,619
Fiscal year ending December 31, 2026			13,717
Fiscal year ending December 31, 2027			18,201
Fiscal year ending December 31, 2028			29,968
Fiscal year ending December 31, 2029			790,815
Thereafter			252,842
			$	1,148,162

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