Property, Plant and Equipment

12 Months Ended

Dec. 31, 2021

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

PROPERTY, PLANT AND EQUIPMENT

Property, plant and equipment in the accompanying Consolidated Balance Sheets consisted of the following amounts as of December 31, 2021 and 2020 (in thousands):

	December 31, 2021		December 31, 2020
Machinery and equipment	$	188,022	$	176,031
Vehicles	65,946		61,624
Furniture and fixtures	23,698		23,724
Computer hardware/software	108,830		111,846
Land, buildings and leasehold improvements	127,736		124,309
Construction in progress	6,125		7,754
Finance lease right-of-use assets (1)	7,666		9,638
	528,023		514,926
Accumulated depreciation and amortization	(375,957)		(356,499)
	$	152,066	$	158,427

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(1)Finance lease right-of-use assets are recorded net of accumulated amortization.

Depreciation and amortization expense related to property, plant and equipment, including finance leases, was $48.3 million, $46.7 million, and $43.9 million for the years ended December 31, 2021, 2020, and 2019, respectively.