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Nature of Operations and Summary of Significant Accounting Policies - Estimated Useful Lives of Assets (Detail) | 12 Months Ended
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Sep. 30, 2013
Land Improvements [Member] |
Property Plant And Equipment Estimated Useful Lives [Line Items] |
Estimated useful lives of assets | 5 years
Buildings and Improvements [Member] | Minimum [Member] |
Property Plant And Equipment Estimated Useful Lives [Line Items] |
Estimated useful lives of assets | 6 years
Buildings and Improvements [Member] | Maximum [Member] |
Property Plant And Equipment Estimated Useful Lives [Line Items] |
Estimated useful lives of assets | 40 years
Equipment [Member] | Minimum [Member] |
Property Plant And Equipment Estimated Useful Lives [Line Items] |
Estimated useful lives of assets | 2 years
Equipment [Member] | Maximum [Member] |
Property Plant And Equipment Estimated Useful Lives [Line Items] |
Estimated useful lives of assets | 10 years

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- Details
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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
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Namespace Prefix: | us-gaap_
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Balance Type: | na
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