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PROPERTY, PLANT, AND EQUIPMENT (Tables)
 12 Months Ended
Dec. 31, 2025
Property, Plant and Equipment [Abstract]  
Schedule of Property, Plant and Equipment
The Company depreciates and amortizes the capitalized cost of these assets, using the straight-line method as follows:
Asset ClassificationEstimated Useful Life
Buildings and building improvements 
Buildings
20-42 years
Leasehold and building improvements
2-45 years
Vehicles
2-15 years
Equipment 
Capitalized software and computer equipment
3-5 years
Containers and railcars
8-16 years
All other equipment
4-30 years
Furniture and fixtures
5-8 years
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.