Property, Plant and Equipment, Net

12 Months Ended

Dec. 31, 2021

Property, Plant and Equipment, Net

Property, Plant and Equipment, Net

8. Property, Plant and Equipment, Net

Property, plant, and equipment, which include assets recorded under finance leases, are stated at cost less accumulated depreciation, and amortization, and consist of the following:

	Estimated Useful Lives	December 31,
	(in Years)	2021		2020
Land	N/A	$	6,688	$	6,903
Buildings and improvements	7 – 40		20,268		20,688
Leasehold improvements	Shorter of life of improvement or lease term		36,289		39,797
Vehicles	5 – 7		311		337
Machinery and equipment	5 – 15		26,346		22,991
Computer equipment and software	3 – 8		102,746		99,434
Furniture and fixtures	5 – 15		8,478		8,599
Finance lease right-of-use assets	Shorter of life of the asset or lease term		69,006		82,862
			270,132		281,611
Less: Accumulated depreciation and amortization			(196,683)		(193,760)
Property, plant and equipment, net		$	73,449	$	87,851

Depreciation expense related to property, plant and equipment was $26.7 million, $39.2 million, and $41.4 million for the years ended December 31, 2021, 2020, and 2019, respectively.