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Summary of Significant Accounting Policies (Details 3) | 12 Months Ended
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Aug. 31, 2012
Buildings and improvements | Minimum |
Property, Plant and Equipment |
Estimated useful lives | 5 years
Buildings and improvements | Maximum |
Property, Plant and Equipment |
Estimated useful lives | 20 years
Machinery and equipment | Minimum |
Property, Plant and Equipment |
Estimated useful lives | 2 years
Machinery and equipment | Maximum |
Property, Plant and Equipment |
Estimated useful lives | 10 years
Leasehold improvements | Minimum |
Property, Plant and Equipment |
Estimated useful lives | 1 year
Leasehold improvements | Maximum |
Property, Plant and Equipment |
Estimated useful lives | 10 years
Other equipment | Minimum |
Property, Plant and Equipment |
Estimated useful lives | 2 years
Other equipment | Maximum |
Property, Plant and Equipment |
Estimated useful lives | 6 years

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- Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition 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. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration