Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2020

Property, Plant and Equipment [Abstract]

Schedule of property, plant and equipment

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

(In thousands)	2020		2019
Land	$	11,901	$	11,869
Buildings and improvements	122,961		130,895
Machinery and equipment	285,678		295,622
Computer hardware and software	46,801		40,880
Furniture and fixtures	5,955		5,921
Construction in progress	6,958		13,091
	480,254		498,278
Less accumulated depreciation	(268,862)		(259,205)
	211,392		239,073
Composite mats (rental fleet)	126,617		125,300
Less accumulated depreciation - composite mats	(60,313)		(53,964)
	66,304		71,336
Property, plant and equipment, net	$	277,696	$	310,409