Revenue Revenue (Tables)

3 Months Ended

Mar. 31, 2018

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):

	Three months ended March 31,
Customer End Markets	2018		2017
Consumer	$	64,730	$	58,880
Aerospace	45,810		45,420
Industrial	54,350		49,290
Oil and gas	52,210		46,240
Total net sales	$	217,100	$	199,830