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v3.25.1

Revenue (Narrative - Performance Obligations) (Details1) - USD ($) $ in Thousands | Mar. 31, 2025 | Sep. 30, 2024
--- | --- | ---
Remaining performance obligation amount | $ 3,105,657 | $ 2,932,793
Material Rights [Member] |  |
Remaining performance obligation amount | $ 511,464 |
Material Rights [Member] | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2025-04-01 |  |
Period of remaining performance obligation, expected timing of satisfaction | 6 months |
Remaining performance obligation amount | $ 8,587 |
Remaining performance obligation, expected timing of satisfaction, year | 2025 |
Material Rights [Member] | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2025-10-01 |  |
Period of remaining performance obligation, expected timing of satisfaction | 1 year |
Remaining performance obligation amount | $ 17,013 |
Remaining performance obligation, expected timing of satisfaction, year | 2026 |
Aerospace [Member] | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2025-04-01 |  |
Period of remaining performance obligation, expected timing of satisfaction | 2 years |
Maximum [Member] | Material Rights [Member] | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2025-10-01 |  |
Period of remaining performance obligation, expected timing of satisfaction | 40 years |

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