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Business Segment Information - Sales and Operating Results (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Sales and operating results of reportable segments |  |
Sales | $ 1,881.0 | $ 2,052.0
Purchase accounting depreciation and amortization | (35.0) | (36.0)
Corporate and other | (38.0) | (40.0)
Non-operating pension and postretirement benefit credit | 0.0 | 5.0
Change in fair value of investments | 0.0 | 3.0
Interest expense, net | (35.0) | (28.0)
Income before income taxes | 213.0 | 260.0
Operating Segments |  |
Sales and operating results of reportable segments |  |
Segment operating earnings | 321.0 | 356.0
Intelligent Devices |  |
Sales and operating results of reportable segments |  |
Sales | 806.0 | 927.0
Intelligent Devices | Operating Segments |  |
Sales and operating results of reportable segments |  |
Segment operating earnings | 120.0 | 150.0
Software & Control |  |
Sales and operating results of reportable segments |  |
Sales | 529.0 | 604.0
Software & Control | Operating Segments |  |
Sales and operating results of reportable segments |  |
Segment operating earnings | 133.0 | 151.0
Lifecycle Services |  |
Sales and operating results of reportable segments |  |
Sales | 546.0 | 521.0
Lifecycle Services | Operating Segments |  |
Sales and operating results of reportable segments |  |
Segment operating earnings | $ 68.0 | $ 55.0

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