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PROPERTY, PLANT, AND EQUIPMENT
 12 Months Ended
Dec. 31, 2025
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, 2025December 31, 2024
Land$193,438 $184,191 
Asset retirement costs (non-landfill)40,232 38,705 
Landfill assets278,700 258,138 
Buildings and improvements (1)
753,404 719,439 
Vehicles (2)
1,583,387 1,455,530 
Equipment (3)
2,652,027 2,600,085 
Construction in progress90,182 70,305 
5,591,370 5,326,393 
Less - accumulated depreciation and amortization3,050,303 2,878,452 
Total property, plant and equipment, net$2,541,067 $2,447,941 
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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 $294.2 million and $230.5 million, respectively.
(3) Balances inclusive of gross ROU assets classified as finance leases of $17.4 million and $9.2 million, respectively.
Depreciation expense, inclusive of landfill and finance lease amortization was $392.1 million, $346.5 million and $315.5 million for the years ended December 31, 2025, 2024 and 2023, respectively. The Company recorded $2.2 million, $11.2 million and $6.6 million of capitalized interest in 2025, 2024 and 2023, respectively. The capitalized interest in 2023 and 2024 was mainly due to the construction of the new incinerator in Kimball, Nebraska, which was completed in late 2024.