Property, Plant and Equipment, Net (Tables)

9 Months Ended

Sep. 26, 2020

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment [Table Text Block]

Property, plant and equipment consists of the following:

	September 26, 2020		December 28, 2019
Land and improvements	$	3,422	$	3,422
Buildings and improvements	51,479		51,432
Machinery and equipment	181,858		179,993
Assets under construction	1,466		1,459
	238,225		236,306
Accumulated depreciation	(178,074)		(170,864)
Property, plant and equipment, net	$	60,151	$	65,442