Property, Plant and Equipment (Details) (USD $) In Thousands, unless otherwise specified	Aug. 31, 2013	Aug. 31, 2012
Property, plant and equipment
Property, plant and equipment, gross	$ 76,743	$ 77,816
Accumulated depreciation	(31,551)	(28,537)
Property, plant and equipment, net	45,192	49,279
Land and improvements
Property, plant and equipment
Property, plant and equipment, gross	5,719	5,734
Buildings
Property, plant and equipment
Property, plant and equipment, gross	20,943	20,373
Machinery and equipment
Property, plant and equipment
Property, plant and equipment, gross	44,284	43,738
Leasehold improvements
Property, plant and equipment
Property, plant and equipment, gross	2,034	2,160
Construction in progress
Property, plant and equipment
Property, plant and equipment, gross	$ 3,763	$ 5,811

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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