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Property, Plant and Equipment (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2013
Sep. 30, 2012
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross $ 62,334 $ 74,172
Less: Accumulated Depreciation (45,334) (55,198)
Property, plant and equipment, net 17,000 18,974
Building and improvements
   
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 2,329 2,329
Model and sales office improvements
   
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 23,046 31,188
Leasehold improvements
   
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 4,212 4,456
Information systems
   
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 16,532 20,671
Furniture, fixtures and office equipment
   
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross $ 16,215 $ 15,528