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Property, Plant and Equipment (Tables)
 12 Months Ended
Dec. 31, 2013
Property, Plant and Equipment [Abstract]  
Components of property, plant and equipment
Components of property, plant and equipment were as follows:
 
(Dollars in thousands)
 
December 31,
 
2013
 
2012
Land
$
5,864

 
$
5,952

Buildings and improvements
30,885

 
31,087

Machinery and equipment
22,989

 
25,632

Capitalized software
18,234

 
16,798

McCook Facility
12,961

 
12,961

Furniture and fixtures
4,424

 
6,931

Capital leases
1,007

 
1,694

Vehicles
164

 
131

Construction in progress
1,269

 
7,486

 
97,797

 
108,672

Accumulated depreciation and amortization
(38,823
)
 
(41,691
)
 
$
58,974

 
$
66,981