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           Property, Buildings and Equipment, Net (Narrative) (Details) 
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           Mar. 31, 2014
 
          acre 
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           Polk County Real Estate [Member] 
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| Long Lived Assets Held-for-sale [Line Items] | |
| Acres held for sale | 3,200 | 
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           Active Citrus Groves, Polk County Real Estate [Member] 
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| Long Lived Assets Held-for-sale [Line Items] | |
| Acres held for sale | 80 | 
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- Definition 
          Long Lived Assets Held For Sale, Acres Of Land. No definition available. 
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- Details 
          
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