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v3.25.3

Segment Information (Summary of Consolidated Total Assets, Depreciation and Amortization, and Capital Expenditures by Segment) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2023
Segment Reporting Information [Line Items] |  |  |
Consolidated total assets | $ 4,630,143 | $ 4,368,915 | $ 4,010,203
Property, plant and equipment, net | 986,623 | 940,715 |
Depreciation and amortization | 113,278 | 116,170 | 119,743
Capital expenditures | 130,928 | 96,280 | 76,500
Unallocated Corporate [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Property, plant and equipment, net | 120,502 | 120,946 | 104,962
Other assets | 897,333 | 801,967 | 585,490
Depreciation and amortization | 12,195 | 11,086 | 8,696
Capital expenditures | 25,731 | (1,639) | (2,268)
Aerospace [Member] | Operating Segments [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Consolidated total assets | 2,110,805 | 1,936,507 | 1,829,410
Depreciation and amortization | 51,603 | 55,305 | 59,880
Capital expenditures | 62,892 | 55,989 | 56,913
Industrial [Member] | Operating Segments [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Consolidated total assets | 1,501,503 | 1,509,495 | 1,490,341
Depreciation and amortization | 49,480 | 49,779 | 51,167
Capital expenditures | $ 42,305 | $ 41,930 | $ 21,855

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