Inventories (Tables)

3 Months Ended

Mar. 30, 2013

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

Inventories are summarized as follows:

	March 30, 2013			December 29, 2012
Raw materials	$	24,813		$	23,002
Work-in-process	14,965			13,786
Finished goods	46,514			49,251
Supplies, repair parts and other	489			470
LIFO reserve	(14,642		)	(14,264		)
Total inventories	$	72,139		$	72,245