Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2018

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Property, plant and equipment consist of the following:

	December 31,
(in thousands)	2018		2017		Useful Lives
Land	$	11,970	$	9,920
Buildings and improvements	90,065		82,412		5-20 yrs.
Machinery and equipment	88,806		83,445		3-10 yrs.
Office furniture and equipment	10,290		8,153		3-7 yrs.
Computer software	11,410		12,500		3-7 yrs.
Transportation equipment	6,594		5,863		3 yrs.
Property, plant and equipment, at cost	219,135		202,293
Accumulated depreciation	(131,905)		(125,629)
Property, plant and equipment, net	$	87,230	$	76,664