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Property, Plant and Equipment (Tables)
12 Months Ended
Dec. 29, 2012
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment [Table Text Block]
Property, plant and equipment are as follows (in thousands):
 
 
 
2012
 
2011
Land and land improvements
 
$
17,523

 
$
20,276

Buildings and building improvements
 
106,732

 
111,498

Machinery and equipment
 
593,435

 
600,066

Furniture and fixtures
 
11,196

 
10,453

Construction in progress
 
7,077

 
4,840

 
 
735,963

 
747,133

Accumulated depreciation
 
(453,363
)
 
(418,566
)
 
 
$
282,600

 
$
328,567