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Property and Equipment, Net
3 Months Ended
Mar. 31, 2012
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment Disclosure [Text Block]
Property and Equipment, Net
 Property and equipment consists of the following components:
 
 
March 31,
2012
 
December 31,
2011
 
 
(dollars in thousands)
Land and land improvements
 
$
5,780

 
$
5,740

Buildings
 
52,870

 
51,480

Machinery and equipment
 
305,240

 
291,960

 
 
363,890

 
349,180

Less: Accumulated depreciation
 
197,990

 
189,970

Property and equipment, net
 
$
165,900

 
$
159,210

Depreciation expense as included in the accompanying consolidated statement of operations is as follows:
 
 
Three months ended March 31,
 
 
2012
 
2011
 
 
(dollars in thousands)
Depreciation expense included in cost of sales
 
$
5,640

 
$
4,950

Depreciation expense included in selling, general and administrative expense
 
810

 
730

Total depreciation expense
 
$
6,450

 
$
5,680