Segments - Schedule of Acquisition and Integration Costs (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Mar. 31, 2023 |
Mar. 31, 2022 |
Mar. 31, 2023 |
Mar. 31, 2022 |
|
| Segment Reporting Information [Line Items] | ||||
| Other items, net | $ (0.8) | $ 1.5 | $ 0.6 | $ 1.3 |