Inventories, Net (Tables)

6 Months Ended

Jun. 25, 2016

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

Inventories are summarized as follows:

	June 25, 2016			December 26, 2015
Raw materials	$	37,147		$	46,164
Work-in-process	19,597			21,306
Finished goods	58,086			58,037
Supplies and other	142			192
LIFO reserve	(8,806		)	(10,553		)
Inventories, net	$	106,166		$	115,146