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Basis of Presentation and Summary of Significant Accounting Policies (Details Textual) (USD $)	12 Months Ended
	Aug. 31, 2012	Aug. 31, 2011	Aug. 31, 2010	Nov. 04, 2011
Basis of Presentation and Summary of Significant Accounting Policies (Additional Textual) [Abstract]
Fair value of term deposits	$ 1,033,000	$ 533,000
Depreciation expense	2,700,000	2,700,000	3,100,000
Depreciation recognized as cost of products sold	1,100,000	1,100,000	1,500,000
Sales price of property sold to third party				800,000
Pre-tax loss on sale of property				100,000
Shipping and handling costs	15,400,000	15,000,000	13,600,000
Research and development expense	5,100,000	5,500,000	5,300,000
Foreign currency transaction gains (losses), net	(300,000)	200,000	(100,000)
Foreign currency forward contracts outstanding	9,800,000
Impairment charge of long lived assets	$ 0	$ 0	$ 0
Buildings and Improvements [Member] | Maximum [Member]
Basis of Presentation and Summary of Significant Accounting Policies (Textual) [Abstract]
Property and equipment estimated useful lives	40 years
Buildings and Improvements [Member] | Minimum [Member]
Basis of Presentation and Summary of Significant Accounting Policies (Textual) [Abstract]
Property and equipment estimated useful lives	10 years
Machinery and Equipment [Member] | Maximum [Member]
Basis of Presentation and Summary of Significant Accounting Policies (Textual) [Abstract]
Property and equipment estimated useful lives	15 years
Machinery and Equipment [Member] | Minimum [Member]
Basis of Presentation and Summary of Significant Accounting Policies (Textual) [Abstract]
Property and equipment estimated useful lives	3 years
Vehicles [Member] | Maximum [Member]
Basis of Presentation and Summary of Significant Accounting Policies (Textual) [Abstract]
Property and equipment estimated useful lives	5 years
Vehicles [Member] | Minimum [Member]
Basis of Presentation and Summary of Significant Accounting Policies (Textual) [Abstract]
Property and equipment estimated useful lives	3 years
Furniture and Fixtures [Member] | Maximum [Member]
Basis of Presentation and Summary of Significant Accounting Policies (Textual) [Abstract]
Property and equipment estimated useful lives	10 years
Furniture and Fixtures [Member] | Minimum [Member]
Basis of Presentation and Summary of Significant Accounting Policies (Textual) [Abstract]
Property and equipment estimated useful lives	3 years
Software and Computer Equipment [Member] | Maximum [Member]
Basis of Presentation and Summary of Significant Accounting Policies (Textual) [Abstract]
Property and equipment estimated useful lives	5 years
Software and Computer Equipment [Member] | Minimum [Member]
Basis of Presentation and Summary of Significant Accounting Policies (Textual) [Abstract]
Property and equipment estimated useful lives	3 years

X

- Definition

The expense recognized in the current period that allocates the cost of a tangible asset over the asset's useful life. This element applies only to an asset used in the production of goods sold.

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The difference between the proceeds received and the carrying value of the long-lived asset. If the proceeds received exceeds the carrying value of the long-lived asset, then there is a gain. If the proceeds received is less than the carrying value of the long-lived asset, then there is a loss.

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Aggregate notional amount of foreign currency derivatives to purchase a foreign currency. Notional amount refers to the number of currency units specified in the foreign currency derivative contract.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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Investments which are intended to be sold in the short term (usually less than one year or the normal operating cycle, whichever is longer) including trading securities, available-for-sale securities, held-to-maturity securities, and other short-term investments not otherwise listed in the existing taxonomy.

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