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Revenue - Revenue Derived from Product Sales (Details) - Net Sales [Member] - Product Concentration Risk [Member] | 12 Months Ended
--- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2022
Manufacture [Member] |  |  |
Disaggregation Of Revenue [Line Items] |  |  |
Percentage of attributable to revenue | 83.00% | 84.00% | 84.00%
MRO [Member] |  |  |
Disaggregation Of Revenue [Line Items] |  |  |
Percentage of attributable to revenue | 15.00% | 14.00% | 14.00%
Service [Member] |  |  |
Disaggregation Of Revenue [Line Items] |  |  |
Percentage of attributable to revenue | 2.00% | 2.00% | 2.00%

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