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Acquisitions and Divestitures (Narrative) (Details) - USD ($) $ in Thousands | 6 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024
Acquisitions And Divestitures [Line Items] |  |
Cash proceeds | $ 44,896 | $ 600
Cash receivables | 7,003 |
Pretax gain | $ 20,524 |
Date of divestiture | Mar. 03, 2025 |
Safran Electronics & Defense [Member] |  |
Acquisitions And Divestitures [Line Items] |  |
Acquisition agreement date | Dec. 19, 2024 |

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- Definition Aggregate gain on all derivative instruments recognized in earnings during the period, before tax effects. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A + Details
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