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Organization Restructuring (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021 | Sep. 30, 2021 | Sep. 30, 2020
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring | $ 0.5 | $ 2.6 | $ 0.5 | $ 2.6 | $ 3.1 | $ 2.8
Restructuring and other charges | $ 0.6 | $ 3.9 | 3.6 | 6.1 |  |
Payments |  |  | (3.0) | (2.2) |  |
Mueller One Project [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and other charges |  |  | $ 0.4 | $ 2.0 |  |

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