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Property and Equipment - Major Classifications of Property and Equipment (Details) - USD ($)
$ in Thousands
Sep. 30, 2017
Sep. 30, 2016
Major classifications of property and equipment    
Carrying Amount $ 224,240 $ 210,309
Accumulated Depreciation (166,281) (151,854)
Net Book Value 57,959 58,455
Land    
Major classifications of property and equipment    
Carrying Amount 4 4
Accumulated Depreciation 0 0
Net Book Value 4 4
Buildings and improvements    
Major classifications of property and equipment    
Carrying Amount 80,828 77,160
Accumulated Depreciation (55,077) (52,934)
Net Book Value 25,751 24,226
Furniture and equipment    
Major classifications of property and equipment    
Carrying Amount 105,319 98,066
Accumulated Depreciation (78,581) (67,191)
Net Book Value 26,738 30,875
Software    
Major classifications of property and equipment    
Carrying Amount 34,022 33,279
Accumulated Depreciation (32,623) (31,729)
Net Book Value 1,399 1,550
In progress    
Major classifications of property and equipment    
Carrying Amount 4,067 1,800
Accumulated Depreciation 0 0
Net Book Value $ 4,067 $ 1,800