Property, Buildings and Equipment, Net (Schedule of Property, Buildings and Equipment) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Sep. 30, 2011
Property, Plant and Equipment [Line Items]
Property, buildings and equipment, net	$ 121,395	$ 128,780
Depreciable Assets [Member]
Property, Plant and Equipment [Line Items]
Gross property, buildings and equipment	111,553	108,833
Less accumulated depreciation and depletion	67,674	65,104
Property, buildings and equipment, net	43,879	43,729
Breeding herd [Member]
Property, Plant and Equipment [Line Items]
Gross property, buildings and equipment	10,143	10,799
Buildings [Member]
Property, Plant and Equipment [Line Items]
Gross property, buildings and equipment	10,973	10,925
Citrus trees [Member]
Property, Plant and Equipment [Line Items]
Gross property, buildings and equipment	36,637	35,939
Sugarcane [Member]
Property, Plant and Equipment [Line Items]
Gross property, buildings and equipment	11,962	10,462
Equipment and Other Facilities [Member]
Property, Plant and Equipment [Line Items]
Gross property, buildings and equipment	41,838	40,708
Land and Land Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, buildings and equipment, net	$ 77,516	$ 85,051

The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

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Gross amount, at the balance sheet date, of long-lived physical assets used in the normal conduct of business and not intended for resale. This can include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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- Definition

Tangible assets that are held by an entity for use in the production or supply of goods and services, for rental to others, or for administrative purposes and that are expected to provide economic benefit for more than one year; net of accumulated depreciation. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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