Inventories, Net (Tables)

9 Months Ended

Sep. 28, 2019

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

Inventories are summarized as follows:

	September 28, 2019			December 29, 2018
Raw materials	$	33,909		$	36,875
Work-in-process	17,283			20,274
Finished goods	65,964			67,085
Supplies and other	223			190
LIFO reserve	(18,872		)	(19,229		)
Inventories, net	$	98,507		$	105,195