UNAUDITED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Cash Flows from Operating Activities:
Net loss	$ (5,539)	$ (4,810)
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	77,982	71,491
Interest accretion on landfill and environmental remediation liabilities	3,999	3,711
Amortization of debt issuance costs	746	754
Stock-based compensation	2,866	4,911
Operating lease right-of-use assets expense	5,615	4,729
Other items and charges, net	(236)	243
Deferred income taxes	(3,226)	(3,328)
Changes in assets and liabilities, net of effects of acquisitions and divestitures:
Accounts receivable	5,616	5,618
Landfill operating lease contract expenditures	(150)	0
Accounts payable	(12,496)	(8,083)
Prepaid expenses, inventories and other assets	10,042	2,246
Accrued expenses, contract liabilities and other liabilities	(22,966)	(27,359)
Net cash provided by operating activities	62,253	50,123
Cash Flows from Investing Activities:
Acquisitions, net of cash acquired	(94,561)	(103,560)
Additions to property and equipment	(49,979)	(55,475)
Proceeds from sale of property and equipment	361	216
Net cash used in investing activities	(144,179)	(158,819)
Cash Flows from Financing Activities:
Proceeds from debt borrowings	0	25,000
Principal payments on debt	(8,030)	(28,984)
Payments of debt issuance costs	0	(724)
Net cash used in financing activities	(8,030)	(4,708)
Net decrease in cash, cash equivalents and restricted cash, including non-current	(89,956)	(113,404)
Cash, cash equivalents and restricted cash, including non-current, beginning of period	216,859	383,303
Cash, cash equivalents and restricted cash - non-current, end of period	126,903	269,899
Cash paid during the period for:
Cash interest payments	13,672	13,085
Cash income tax (refunds) payments, net	(2,057)	752
Supplemental Disclosure of Non-Cash Activities:
Right-of-use assets obtained in exchange for finance lease obligations	4,481	6,989
Right-of-use assets obtained in exchange for operating lease obligations	$ 2,830	$ 11,390