Other Property (Detail) (USD $) In Thousands, unless otherwise specified	May 31, 2013	May 31, 2012
Property, Plant and Equipment [Line Items]
Land	$ 6,985	$ 6,985
Buildings	15,774	15,442
Furniture and other equipment	9,730	9,071
Leasehold improvements	210	205
Property, Plant and Equipment, Gross, Total	32,699	31,703
Less-accumulated depreciation and amortization	(18,873)	(17,832)
Total	$ 13,826	$ 13,871

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 of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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- Definition

Amount, net of accumulated depreciation, depletion and amortization, of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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