Property And Equipment (Property And Equipment) (Details) (USD $) In Thousands, unless otherwise specified	Aug. 31, 2013	Aug. 31, 2012
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 63,630	$ 66,590
Less accumulated depreciation	(46,450)	(48,094)
Property and equipment	17,180	18,496
Land And Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	1,312	1,312
Buildings [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	31,556	31,556
Machinery And Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	2,224	2,295
Computer Hardware And Software [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	17,002	19,792
Furniture, Fixtures, And Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 11,536	$ 11,635

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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