Annual report pursuant to section 13 and 15(d)

Segment Information (Schedule of Capital Expenditures and Depreciation by Segment) (Details)

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Segment Information (Schedule of Capital Expenditures and Depreciation by Segment) (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2010
Segment Reporting, Other Significant Reconciling Item [Line Items]      
Total capital expenditures $ 15,921 $ 12,265 $ 8,203
Total depreciation, depletion and amortization 8,429 7,327 7,221
Alico Fruit Segment [Member]
      
Segment Reporting, Other Significant Reconciling Item [Line Items]      
Total capital expenditures 389 65 373
Total depreciation, depletion and amortization 223 213 315
Citrus Groves Segment [Member]
      
Segment Reporting, Other Significant Reconciling Item [Line Items]      
Total capital expenditures 1,562 2,102 1,273
Total depreciation, depletion and amortization 2,088 1,977 2,021
Sugarcane Segment [Member]
      
Segment Reporting, Other Significant Reconciling Item [Line Items]      
Total capital expenditures 10,482 4,633 3,586
Total depreciation, depletion and amortization 4,051 2,873 1,713
Cattle Segment [Member]
      
Segment Reporting, Other Significant Reconciling Item [Line Items]      
Total capital expenditures 741 1,214 1,260
Total depreciation, depletion and amortization 992 937 1,292
Land leasing and rentals Segment [Member]
      
Segment Reporting, Other Significant Reconciling Item [Line Items]      
Total capital expenditures    16 62
Total depreciation, depletion and amortization 427 481 546
All Segments [Member]
      
Segment Reporting, Other Significant Reconciling Item [Line Items]      
Total capital expenditures 13,164 8,030 6,554
Total depreciation, depletion and amortization 7,781 6,481 5,887
Non - Segments [Member]
      
Segment Reporting, Other Significant Reconciling Item [Line Items]      
Total capital expenditures 2,748 4,235 1,649
Total depreciation, depletion and amortization $ 648 $ 846 $ 1,334