Disclosures about reportable segments (Schedule of Assets by Segment) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Sep. 30, 2011
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ 189,618	$ 180,035
Bowen Segment [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	2,120	2,888
Citrus Groves Segment [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	43,001	45,554
Sugarcane Segment [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	59,296	53,213
Cattle Segment [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	13,681	10,196
Real Estate Segment [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	12,009	12,932
Land leasing and rentals Segment [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	5,203	5,524
All Segments [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	135,310	130,307
Non - Segments [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ 54,308	$ 49,728