Annual report pursuant to section 13 and 15(d)

Property, Buildings and Equipment, Net (Narrative) (Details)

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Property, Buildings and Equipment, Net (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended 12 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Two Parcels of Land in Polk County, Florida [Member]
Jun. 30, 2013
Alachua County Property [Member]
acre
Sep. 30, 2013
Hendry County, FL Property [Member]
acre
Sep. 30, 2012
Parcels of Land in Lee County, Florida [Member]
Sep. 30, 2012
Two Parcels of Land in Polk County, Florida [Member]
properties
Sep. 30, 2012
Parcel of Land One [Member]
acre
Sep. 30, 2012
Parcel of Land Two [Member]
acre
Long Lived Assets Held-for-sale [Line Items]                    
Number of properties held for sale               2    
Impairment on assets held for sale    $ 1,918                 
Acres held for sale                 3,630 380
Sale price               10,122 9,077 1,045
Fair value of parcels held for sale             2,475      
Price per acre                 2,500 2,750
Cash proceeds from sale of parcels               9,768 8,747 1,020
Proceeds held in escrow             2,500 8,747    
Significant Acquisitions and Disposals [Line Items]                    
Area of land acquired         396          
Purchase price of land         1,175          
Area of land           11,600        
Proceeds from disposals of property and equipment 24,381 18,095 1,221     20,678        
Pre-tax gains on sale of properties $ 20,894 $ 8,800    $ 9,113   $ 20,343