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Derivative Instruments and Hedging Activities - Outstanding Commodity Hedge Contracts (Details) - T | 12 Months Ended
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Sep. 30, 2025 | Sep. 30, 2024
Copper |  |
Derivative [Line Items] |  |
Volume Outstanding | 1,950 | 2,676
Aluminum |  |
Derivative [Line Items] |  |
Volume Outstanding | 703 | 2,450

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- Definition Nominal mass used to calculate payments on a derivative instrument. + References No definition available. + Details
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- Details
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