PROPERTY, PLANT, AND EQUIPMENT (Tables)

12 Months Ended

Dec. 31, 2023

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 Classification	Estimated 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, 2023		December 31, 2022
Land	$	174,891	$	172,579
Asset retirement costs (non-landfill)	27,167		22,001
Landfill assets	253,180		232,872
Buildings and improvements (1)	630,525		591,397
Vehicles (2)	1,276,567		1,112,188
Equipment (3)	2,388,370		2,195,064
Construction in progress	213,601		140,328
	4,964,301		4,466,429
Less - accumulated depreciation and amortization	2,770,983		2,486,127
Total property, plant and equipment, net	$	2,193,318	$	1,980,302

___________________________________

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

(2) Balances inclusive of gross ROU assets classified as finance leases of $151.7 million and $106.7 million, respectively.

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