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
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2010
Property, Buildings and Equipment, Net [Abstract]      
Depreciation expense $ 8,429 $ 7,291 $ 6,692
Long Lived Assets Held-for-sale [Line Items]      
Impairment charge on properties held for sale 1,918   980
Parcels of Land in Lee County, Florida [Member]
     
Long Lived Assets Held-for-sale [Line Items]      
Sale price of properties 7,500    
Cash proceeds from sale of parcels 7,349    
Impairment charge on properties held for sale 1,918    
Remaining Parcels of Land in Lee County, Florida [Member]
     
Long Lived Assets Held-for-sale [Line Items]      
Fair value of parcels held for sale 2,475    
Proceeds held in escrow 2,500    
Two Parcels of Land in Polk County, Florida [Member]
     
Long Lived Assets Held-for-sale [Line Items]      
Number of properties held for sale 2    
Sale price of properties 10,122    
Cash proceeds from sale of parcels 9,768    
Proceeds held in escrow 8,747    
Pre-tax gains on sale of properties 9,113    
Parcel of Land One [Member] | Ben Hill Griffin III [Member]
     
Long Lived Assets Held-for-sale [Line Items]      
Acres held for sale 3,630    
Sale price of properties 9,077    
Price per acre 2,500    
Cash proceeds from sale of parcels 8,747    
Parcel of Land Two [Member] | Ben Hill Griffin, Inc. [Member]
     
Long Lived Assets Held-for-sale [Line Items]      
Acres held for sale 380    
Sale price of properties 1,045    
Price per acre 2,750    
Cash proceeds from sale of parcels $ 1,020