Property, Plant and Equipment

12 Months Ended

Dec. 31, 2023

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Property, Plant and Equipment

Property, plant and equipment consisted of the following at December 31:

(In thousands)	2023		2022
Land	$	7,216	$	7,804
Buildings and improvements	71,446		63,333
Machinery and equipment	201,281		229,080
Computer hardware and software	47,543		47,743
Furniture and fixtures	5,523		5,733
Construction in progress	2,523		5,447
	335,532		359,140
Less accumulated depreciation	(237,573)		(248,844)
	97,959		110,296
Composite mats (rental fleet)	169,387		147,764
Less accumulated depreciation - composite mats	(72,057)		(64,961)
	97,330		82,803
Property, plant and equipment, net	$	195,289	$	193,099

 Depreciation expense was $28.0 million, $35.0 million, and $38.5 million in 2023, 2022 and 2021, respectively. The Fluids Systems segment operating results for 2023 includes $2.9 million of total charges for long-lived assets impairments (as described in Note 2).