Property, Plant and Equipment, Net (Tables)

6 Months Ended

Jun. 26, 2021

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment [Table Text Block]

Property, plant and equipment consists of the following:

	June 26, 2021		December 26, 2020
Land and improvements	$	3,422	$	3,422
Buildings and improvements	51,479		51,479
Machinery and equipment	182,476		181,642
Assets under construction	2,422		1,167
	239,799		237,710
Accumulated depreciation	(184,760)		(179,806)
Property, plant and equipment, net	$	55,039	$	57,904