Property, Plant and Equipment, Net (Tables)

6 Months Ended

Jun. 27, 2020

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment [Table Text Block]

Property, plant and equipment consists of the following:

	June 27, 2020			December 28, 2019
Land and improvements	$	3,422		$	3,422
Buildings and improvements	51,479			51,432
Machinery and equipment	179,758			179,993
Assets under construction	3,166			1,459
	237,825			236,306
Accumulated depreciation	(175,373		)	(170,864		)
Property, plant and equipment, net	$	62,452		$	65,442