PROPERTY, PLANT, AND EQUIPMENT

12 Months Ended

Dec. 31, 2024

Property, Plant and Equipment [Abstract]

PROPERTY, PLANT, AND EQUIPMENT

PROPERTY, PLANT AND EQUIPMENT

Property, plant and equipment consisted of the following (in thousands):

	December 31, 2024		December 31, 2023
Land	$	184,191	$	174,891
Asset retirement costs (non-landfill)	38,705		27,167
Landfill assets	258,138		253,180
Buildings and improvements (1)	719,439		630,525
Vehicles (2)	1,455,530		1,276,567
Equipment (3)	2,600,085		2,388,370
Construction in progress	70,305		213,601
	5,326,393		4,964,301
Less - accumulated depreciation and amortization	2,878,452		2,770,983
Total property, plant and equipment, net	$	2,447,941	$	2,193,318

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(1) Balances inclusive of gross ROU assets classified as finance leases of $8.0 million in both periods.

(2) Balances inclusive of gross ROU assets classified as finance leases of $230.5 million and $151.7 million, respectively.

(3) Balances inclusive of gross ROU assets classified as finance leases of $9.2 million in both periods.

Depreciation expense, inclusive of landfill and finance lease amortization was $346.5 million, $315.5 million and $297.4 million for the years ended December 31, 2024, 2023 and 2022, respectively. The Company recorded $11.2 million, $6.6 million and $3.4 million of capitalized interest in 2024, 2023 and 2022, respectively, mainly due to the construction of the new incinerator in Kimball, Nebraska.