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Property and Equipment, Net (Tables)
3 Months Ended
Mar. 31, 2013
Property, Plant and Equipment [Abstract]  
Property and Equipment
Property and equipment consists of the following components:
 
 
March 31,
2013
 
December 31,
2012
 
 
(dollars in thousands)
Land and land improvements
 
$
6,360

 
$
6,410

Buildings
 
60,120

 
59,610

Machinery and equipment
 
346,810

 
332,040

 
 
413,290

 
398,060

Less: Accumulated depreciation
 
218,670

 
213,030

Property and equipment, net
 
$
194,620

 
$
185,030

Depreciation Expense
Depreciation expense as included in the accompanying consolidated statement of income is as follows:
 
 
Three months ended March 31,
 
 
2013
 
2012
 
 
(dollars in thousands)
Depreciation expense, included in cost of sales
 
$
6,060

 
$
5,640

Depreciation expense, included in selling, general and administrative expense
 
990

 
810

Total depreciation expense
 
$
7,050

 
$
6,450