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Property And Equipment (Tables)
12 Months Ended
Dec. 31, 2013
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment [Table Text Block]
Property and equipment as of December 31, 2013 and 2012 consist of the following (in thousands):
 
 
2013
 
2012
Machinery and equipment
$
358,061

 
$
356,512

Land, buildings and improvements
91,389

 
95,047

Furniture and fixtures
12,774

 
13,397

Leasehold improvements
14,931

 
14,975

 
477,155

 
479,931

Less allowance for depreciation
(371,006
)
 
(361,700
)
 
$
106,149

 
$
118,231