Goodwill (Tables)

6 Months Ended

Jun. 26, 2020

Goodwill Disclosure [Abstract]

Schedule of Goodwill

A summary of changes in goodwill by reportable segment is as follows:

(Thousands)	Performance Alloys and Composites		Advanced Materials		Precision Coatings		Total
Balance at December 31, 2019	$	1,899	$	50,190	$	26,922	$	79,011
Impairment charge	—		—		(9,053)		(9,053)
Other	—		43		—		43
Balance at June 26, 2020	$	1,899	$	50,233	$	17,869	$	70,001