Annual report pursuant to Section 13 and 15(d)

Acquisitions and Dispositions - Property Sales (Details)

v3.5.0.2
Acquisitions and Dispositions - Property Sales (Details)
$ in Thousands
12 Months Ended
Sep. 30, 2016
USD ($)
Sep. 30, 2015
USD ($)
Sep. 30, 2014
USD ($)
Apr. 03, 2015
USD ($)
Jul. 01, 2014
USD ($)
a
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Gain on sale of assets $ (147) $ 290 $ 6,742    
Land and land improvements          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Property, Plant and Equipment, Gross $ 116,648 $ 114,428      
Land and land improvements | Silver Nip Citrus          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Property, Plant and Equipment, Gross     2,832    
Gain on sale of assets     2,927    
Polk County Real Estate Parcel          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Area of land owned (in acres) | a         2,800
Disposal Group, Disposed of by Sale, Not Discontinued Operations          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Net cash proceeds       $ 1,509  
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Land and land improvements | Silver Nip Citrus          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Net cash proceeds     $ 5,759    
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Polk County Real Estate Parcel          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Net cash proceeds         $ 5,623