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Segment Information (Summary of Consolidated Net Sales and Earnings by Segment) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Segment Reporting Information [Line Items] |  |
Total net sales | $ 618,619 | $ 541,586
Interest expense, net | (10,776) | (7,665)
Consolidated earnings before income taxes | 31,749 | 37,746
Aerospace [Member] |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 395,685 | 336,435
Industrial [Member] |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 222,934 | 205,151
Operating Segments [Member] | Aerospace [Member] |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 395,685 | 336,435
Segment earnings (loss) | 55,434 | 51,083
Operating Segments [Member] | Industrial [Member] |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 222,934 | 205,151
Segment earnings (loss) | 11,402 | 23,693
Unallocated Corporate [Member] |  |
Segment Reporting Information [Line Items] |  |
Segment earnings (loss) | $ (24,311) | $ (29,365)

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