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Property, Plant and Equipment, Net (Tables)
9 Months Ended
Sep. 26, 2015
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment [Table Text Block]
Property, plant and equipment consists of the following:
 
September 26,
2015
 
December 27,
2014
Land and improvements
$
7,385

 
$
7,327

Buildings and improvements
62,504

 
61,557

Machinery and equipment
175,328

 
171,586

 
245,217

 
240,470

Accumulated depreciation
(143,148
)
 
(137,981
)
Property, plant and equipment, net
$
102,069

 
$
102,489