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v3.20.1

Segment Information (Narrative) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2020 | Mar. 31, 2019 | Mar. 31, 2020 | Mar. 31, 2019
Segment Reporting Information [Line Items] |  |  |  |
Restructuring | $ 0.9 | $ 6.9 | $ 3.3 | $ 10.1
Operating income | 35.8 | 22.2 | 56.1 | 38.1
Depreciation, Depletion and Amortization | 14.3 | 13.4 | 28.3 | 25.5
Payments to Acquire Productive Assets | 22.1 | 14.6 | 37.3 | 30.5
Revenues | 257.7 | 234.0 | 470.3 | 426.8
Mueller Co. [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Restructuring | 0.4 | 1.1 | 0.4 | 1.1
Operating income | 50.4 | 40.1 | 86.1 | 71.0
Depreciation, Depletion and Amortization | 12.1 | 11.4 | 24.1 | 21.5
Payments to Acquire Productive Assets | 21.2 | 13.0 | 35.7 | 27.8
Revenues | 240.3 | 214.1 | 433.1 | 386.1
Corporate [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Restructuring | 0.5 | 5.8 | 2.9 | 9.0
Operating income | (9.9) | (14.3) | (23.3) | (25.6)
Depreciation, Depletion and Amortization | 0.1 | 0.1 | 0.1 | 0.1
Payments to Acquire Productive Assets | 0.2 | 0.0 | 0.3 | 0.0
Mueller Technologies [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Restructuring | 0.0 | 0.0 | 0.0 | 0.0
Operating income | (4.7) | (3.6) | (6.7) | (7.3)
Depreciation, Depletion and Amortization | 2.1 | 1.9 | 4.1 | 3.9
Payments to Acquire Productive Assets | 0.7 | 1.6 | 1.3 | 2.7
Revenues | $ 17.4 | $ 19.9 | $ 37.2 | $ 40.7

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