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Operations and Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Sep. 30, 2021
Organization Consolidation And Presentation Of Financial Statements [Abstract] |
Schedule of Property, Plant and Equipment Useful Lives | Estimated lives over which fixed assets are generally depreciated at September 30, 2021 were as follows:
Land improvements |  |  | 3 |  |  | – |  |  | 20 |  |  | years
Buildings and improvements |  |  | 3 |  |  | – |  |  | 40 |  |  | years
Leasehold improvements |  |  | 1 |  |  | – |  |  | 10 |  |  | years
Machinery and production equipment |  |  | 3 |  |  | – |  |  | 20 |  |  | years
Computer equipment and software |  |  | 1 |  |  | – |  |  | 10 |  |  | years
Office furniture and equipment |  |  | 3 |  |  | – |  |  | 10 |  |  | years
Other |  |  | 3 |  |  | – |  |  | 10 |  |  | years
Schedule of Finite-Lived Intangible Assets Useful Lives | Estimated lives over which intangible assets are amortized at September 30, 2021 were as follows:
Customer relationships and contracts |  |  | 15 |  |  | – |  |  | 30 |  |  | years
Intellectual property |  |  | 15 |  |  | – |  |  | 17 |  |  | years
Process technology |  |  | 10 |  |  | – |  |  | 30 |  |  | years

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- Definition Schedule of the minimum and maximum useful lives of long lived, physical assets used in the normal conduct of business and not intended for resale. 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. + References No definition available. + Details
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