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Property, Plant and Equipment (Tables)
 12 Months Ended
Sep. 30, 2017
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment
The following is a summary of property, plant and equipment:
 
September 30, 2017
 
September 30, 2016
 
(dollars in thousands)
Land
$
4,990

 
$
4,891

Building and leasehold improvements
14,408

 
13,364

Equipment and machinery
8,934

 
9,056

Furniture and fixtures
5,243

 
5,426

 
33,575

 
32,737

Accumulated depreciation and amortization
(17,783
)
 
(16,777
)
 
$
15,792

 
$
15,960