Property, Plant and Equipment (Tables)

9 Months Ended

Sep. 26, 2015

Property, Plant and Equipment [Abstract]

Property, plant and equipment

Property, plant and equipment are as follows (in thousands):

	September 26, 2015			December 27, 2014
Land and land improvements	$	10,585		$	10,585
Buildings and building improvements	84,552			82,142
Machinery and equipment	514,161			516,443
Furniture and fixtures	8,170			8,570
Construction in progress	19,446			11,106
	636,914			628,846
Accumulated depreciation	(417,351		)	(401,023		)
	$	219,563		$	227,823