Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 27, 2013

Property Plant and Equipment [Abstract]

Property, Plant and Equipment [Table Text Block]

	2013		2012
Land and improvements	$	16,506	$	16,261
Buildings and improvements		118,460		115,774
Manufacturing equipment		222,810		214,073
Office, warehouse and automotive equipment		35,887		33,388
Additions in progress		14,224		9,571
Total property, plant and equipment		407,887		389,067
Accumulated depreciation		(256,170)		(237,523)
Net property, plant and equipment	$	151,717	$	151,544