Revenue (Tables)

12 Months Ended

Dec. 31, 2019

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue [Table Text Block]

The following table presents the Company’s disaggregated net sales by primary end market served (dollars in thousands):

	Year ended December 31,
Customer End Markets	2019		2018		2017
Consumer	$	307,640	$	276,740	$	259,470
Aerospace	194,110		185,920		184,310
Industrial	221,780		242,370		212,380
Total net sales	$	723,530	$	705,030	$	656,160