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BALANCE SHEET (Details Textuals) (USD $) In Thousands, unless otherwise specified	Apr. 30, 2012	Jul. 31, 2011
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Disposal Group, Including Discontinued Operation, Inventory	$ 40,651	$ 37,125
Disposal Group, Including Discontinued Operation, Property, Plant, and Equipment, Net	$ 61,623	$ 64,567

For the disposal group, including a component of the entity (discontinued operation), carrying value (net of accumulated depreciation and any write-downs) of 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. 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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