Note 5 - Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Property, Plant and Equipment [Table Text Block]

December 31,
(dollars in thousands)	2019		2018
Land	$	16,515	$	20,374
Buildings		100,730		109,470
Machinery and equipment		486,517		531,838
Furniture and fixtures		15,594		15,668
Software		22,440		25,218
Construction in progress		18,628		24,945
Gross property, plant and equipment		660,424		727,513
Less accumulated depreciation		426,501		462,553
Net property, plant and equipment	$	233,923	$	264,960