v3.25.2
PROPERTY, PLANT AND EQUIPMENT
 6 Months Ended
Jun. 30, 2025
Property, Plant and Equipment [Abstract]  
PROPERTY, PLANT AND EQUIPMENT PROPERTY, PLANT AND EQUIPMENT
Property, plant and equipment consisted of the following (in thousands):
June 30, 2025December 31, 2024
Land$192,821 $184,191 
Asset retirement costs (non-landfill)40,245 38,705 
Landfill assets266,464 258,138 
Buildings and improvements (1)
738,327 719,439 
Vehicles (2)
1,552,722 1,455,530 
Equipment (3)
2,635,319 2,600,085 
Construction in progress77,855 70,305 
5,503,753 5,326,393 
Less - accumulated depreciation and amortization2,996,652 2,878,452 
Total property, plant and equipment, net$2,507,101 $2,447,941 
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(1) Balances inclusive of gross right-of-use (“ROU”) assets classified as finance leases of $8.0 million in each period.
(2) Balances inclusive of gross ROU assets classified as finance leases of $288.6 million and $230.5 million, respectively.
(3) Balances inclusive of gross ROU assets classified as finance leases of $9.2 million in each period.
Depreciation expense, inclusive of landfill and finance lease amortization, was $102.6 million and $201.2 million for the three and six months ended June 30, 2025, respectively. Depreciation expense, inclusive of landfill and finance lease amortization, was $86.5 million and $168.7 million for the three and six months ended June 30, 2024, respectively. For the three and six months ended June 30, 2025, capitalized interest recorded by the Company was negligible. For the three and six months ended June 30, 2024, the Company recorded $2.9 million and $5.3 million, respectively, of capitalized interest mainly due to the construction of a new incinerator in Kimball, Nebraska.