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SEGMENTS (Tables) | 12 Months Ended
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Sep. 30, 2025
Segment Reporting [Abstract] |
Schedule of Segment Reporting Information, by Segment | The following table sets forth, for the periods indicated, certain financial information by reportable segment, which includes a reconciliation of EBITDA As Defined to consolidated income from continuing operations before income taxes (in millions):
|  | Fiscal Year Ended September 30, 2025
|  | Power & Control |  | Airframe |  | Non-aviation |  | Total
Net sales to external customers |  |  |  |  |  |  |  |
Commercial and non-aerospace OEM |  | $ | 926 |  |  | $ | 1,180 |  |  |  |  | $ | 2,106 |
Commercial and non-aerospace aftermarket |  | 1,360 |  |  | 1,444 |  |  |  |  | 2,804 |
Defense |  | 2,273 |  |  | 1,488 |  |  |  |  | 3,761 |
Non-aviation |  | — |  |  | — |  |  | 160 |  |  | 160 |
Net Sales |  | 4,559 |  |  | 4,112 |  |  | 160 |  |  | 8,831 |
Less: |  |  |  |  |  |  |  |
Other segment expenses (1) |  | 1,964 |  |  | 1,902 |  |  | 93 |  |  |
Total segment EBITDA As Defined |  | 2,595 |  |  | 2,210 |  |  | 67 |  |  | 4,872 |
Less: Unallocated corporate EBITDA As Defined |  |  |  |  |  |  |  | 112 |
Depreciation and amortization expense |  |  |  |  |  |  |  | 367 |
Interest expense-net |  |  |  |  |  |  |  | 1,572 |
Acquisition transaction and integration-related expenses |  |  |  |  |  |  |  | 42 |
Non-cash stock and deferred compensation expense |  |  |  |  |  |  |  | 157 |
Refinancing costs |  |  |  |  |  |  |  | 11 |
Other, net |  |  |  |  |  |  |  | (18) |
Income from continuing operations before income taxes |  |  |  |  |  |  |  | $ | 2,629 |
(1)Primarily represents cost of sales, selling expenses, general and administrative expenses, research and development, and miscellaneous income or expense. Excludes depreciation and amortization; non-cash stock and deferred compensation expense; foreign currency transaction losses; acquisition transaction and integration-related expenses and payroll withholding taxes related to dividend equivalent payments.
|  | Fiscal Year Ended September 30, 2024
|  | Power & Control |  | Airframe |  | Non-aviation |  | Total
Net sales to external customers |  |  |  |  |  |  |  |
Commercial and non-aerospace OEM |  | $ | 841 |  |  | $ | 1,280 |  |  |  |  | $ | 2,121 |
Commercial and non-aerospace aftermarket |  | 1,218 |  |  | 1,290 |  |  |  |  | 2,508 |
Defense |  | 1,907 |  |  | 1,239 |  |  |  |  | 3,146 |
Non-aviation |  | — |  |  | — |  |  | 165 |  |  | 165 |
Net Sales |  | 3,966 |  |  | 3,809 |  |  | 165 |  |  | $ | 7,940 |
Less: |  |  |  |  |  |  |  |
Other segment expenses (1) |  | 1,715 |  |  | 1,847 |  |  | 99 |  |  |
Total segment EBITDA As Defined |  | 2,251 |  |  | 1,962 |  |  | 66 |  |  | 4,279 |
Less: Unallocated corporate EBITDA As Defined |  |  |  |  |  |  |  | 106 |
Depreciation and amortization expense |  |  |  |  |  |  |  | 312 |
Interest expense-net |  |  |  |  |  |  |  | 1,286 |
Acquisition transaction and integration-related expenses |  |  |  |  |  |  |  | 70 |
Non-cash stock and deferred compensation expense |  |  |  |  |  |  |  | 217 |
Refinancing costs |  |  |  |  |  |  |  | 58 |
Other, net |  |  |  |  |  |  |  | 15 |
Income from continuing operations before income taxes |  |  |  |  |  |  |  | $ | 2,215 |
(1)Primarily represents cost of sales, selling expenses, general and administrative expenses, research and development, and miscellaneous income or expense. Excludes depreciation and amortization; non-cash stock and deferred compensation expense; foreign currency transaction losses; acquisition transaction and integration-related expenses and payroll withholding taxes related to dividend equivalent payments.
|  | Fiscal Year Ended September 30, 2023
|  | Power & Control |  | Airframe |  | Non-aviation |  | Total
Net sales to external customers |  |  |  |  |  |  |  |
Commercial and non-aerospace OEM |  | $ | 696 |  |  | $ | 989 |  |  |  |  | $ | 1,685 |
Commercial and non-aerospace aftermarket |  | 1,074 |  |  | 1,112 |  |  |  |  | 2,186 |
Defense |  | 1,569 |  |  | 993 |  |  |  |  | 2,562 |
Non-aviation |  | — |  |  | — |  |  | 152 |  |  | 152 |
Net Sales |  | 3,339 |  |  | 3,094 |  |  | 152 |  |  | $ | 6,585 |
Less: |  |  |  |  |  |  |  |
Other segment expenses (1) |  | 1,459 |  |  | 1,547 |  |  | 95 |  |  |
Total segment EBITDA As Defined |  | 1,880 |  |  | 1,547 |  |  | 57 |  |  | 3,484 |
Less: Unallocated corporate EBITDA As Defined |  |  |  |  |  |  |  | 89 |
Depreciation and amortization expense |  |  |  |  |  |  |  | 268 |
Interest expense-net |  |  |  |  |  |  |  | 1,164 |
Acquisition transaction and integration-related expenses |  |  |  |  |  |  |  | 18 |
Non-cash stock and deferred compensation expense |  |  |  |  |  |  |  | 157 |
Refinancing costs |  |  |  |  |  |  |  | 56 |
Other, net |  |  |  |  |  |  |  | 16 |
Income from continuing operations before income taxes |  |  |  |  |  |  |  | $ | 1,716 |
(1)Primarily represents cost of sales, selling expenses, general and administrative expenses, research and development, and miscellaneous income or expense. Excludes depreciation and amortization; non-cash stock and deferred compensation expense; foreign currency transaction losses; acquisition transaction and integration-related expenses and payroll withholding taxes related to dividend equivalent payments.
Assets, Capital Expenditures and Depreciation and Amortization by Segment |
|  | September 30, 2025
|  | Power & Control |  | Airframe |  | Non-aviation |  | Corporate (1) |  | Total
Total assets |  | 9,859 |  |  | 10,267 |  |  | 202 |  |  | 2,581 |  |  | 22,909 |
Capital expenditures |  | 108 |  |  | 103 |  |  | 9 |  |  | 2 |  |  | 222 |
Depreciation and amortization |  | 180 |  |  | 181 |  |  | 6 |  |  | — |  |  | 367 |
(1)Corporate consists of our corporate offices and does not constitute an operating segment. These amounts are included to reconcile to total consolidated assets, capital expenditures and depreciation and amortization, respectively.
|  | September 30, 2024
|  | Power & Control |  | Airframe |  | Non-aviation |  | Corporate (1) |  | Total
Total assets |  | 9,180 |  |  | 10,045 |  |  | 193 |  |  | 6,168 |  |  | 25,586 |
Capital expenditures |  | 90 |  |  | 73 |  |  | 2 |  |  | — |  |  | 165 |
Depreciation and amortization |  | 133 |  |  | 172 |  |  | 6 |  |  | 1 |  |  | 312 |
(1)Corporate consists of our corporate offices and does not constitute an operating segment. These amounts are included to reconcile to total consolidated assets, capital expenditures and depreciation and amortization, respectively.
|  | September 30, 2023
|  | Power & Control |  | Airframe |  | Non-aviation |  | Corporate (1) |  | Total
Total assets |  | 7,356 |  |  | 8,972 |  |  | 193 |  |  | 3,449 |  |  | 19,970 |
Capital expenditures |  | 67 |  |  | 65 |  |  | 6 |  |  | 1 |  |  | 139 |
Depreciation and amortization |  | 110 |  |  | 152 |  |  | 5 |  |  | 1 |  |  | 268 |
(1)Corporate consists of our corporate offices and does not constitute an operating segment. These amounts are included to reconcile to total consolidated assets, capital expenditures and depreciation and amortization, respectively.
Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas | Geographic Area Information Net sales are measured based on the geographic destination of sales. Long-lived assets consist of property, plant and equipment-net and operating lease right-of-use assets. Net sales and long-lived assets of individual countries outside of the United States are not material. The following table presents net sales by geographic area (in millions):
| Fiscal Years Ended September 30,
| 2025 |  | 2024 |  | 2023
Net sales |  |  |  |  |
United States | $ | 5,535 |  |  | $ | 5,032 |  |  | $ | 4,265 |
Foreign Countries | 3,296 |  |  | 2,908 |  |  | 2,320 |
| $ | 8,831 |  |  | $ | 7,940 |  |  | $ | 6,585 |
The following table presents long-lived assets by geographic area (in millions):
| September 30, 2025 |  | September 30, 2024 |  | September 30, 2023
Long-lived assets |  |  |  |  |
United States | $ | 1,339 |  |  | $ | 1,273 |  |  | $ | 1,063 |
Foreign Countries | 305 |  |  | 276 |  |  | 256 |
| $ | 1,644 |  |  | $ | 1,549 |  |  | $ | 1,319 |

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