Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 28, 2013

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment [Table Text Block]

A summary of property, plant and equipment follows (in thousands):

	December 28, 2013			December 29, 2012
Land	$	67,375		$	49,619
Buildings and improvements	163,523			129,243
Machinery and equipment	526,641			414,535
Vehicles	136,649			97,198
Aircraft	18,465			18,465
Construction in process	135,234			71,068
	1,047,887			780,128
Accumulated depreciation	(381,314		)	(326,201		)
	$	666,573		$	453,927