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v3.22.0.1

Segment Information (Narrative) (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Segment Reporting Information [Line Items] |  |
Restructuring and other charges | $ 2.4 | $ 1.4
Operating income | 28.9 | 27.8
Depreciation, Depletion and Amortization | 15.2 | 14.7
Payments to Acquire Productive Assets | 11.0 | 15.6
Net sales | 272.3 | 237.4
Mueller Co. [Member] |  |
Segment Reporting Information [Line Items] |  |
Restructuring and other charges | 0.0 | 0.1
Operating income | 31.3 | 23.1
Depreciation, Depletion and Amortization | 7.4 | 7.4
Payments to Acquire Productive Assets | 9.4 | 12.3
Net sales | 154.9 | 128.8
Mueller Co. [Member] | Central Region [Member] |  |
Segment Reporting Information [Line Items] |  |
Net sales | 40.5 | 35.0
Corporate |  |
Segment Reporting Information [Line Items] |  |
Restructuring and other charges | 2.3 | 1.3
Operating income | (13.8) | (12.3)
Depreciation, Depletion and Amortization | 0.1 | 0.1
Payments to Acquire Productive Assets | 0.0 | 0.1
Mueller Technologies [Member] |  |
Segment Reporting Information [Line Items] |  |
Restructuring and other charges | 0.1 | 0.0
Operating income | 11.4 | 17.0
Depreciation, Depletion and Amortization | 7.7 | 7.2
Payments to Acquire Productive Assets | 1.6 | 3.2
Net sales | 117.4 | 108.6
Mueller Technologies [Member] | Central Region [Member] |  |
Segment Reporting Information [Line Items] |  |
Net sales | $ 28.8 | $ 26.8

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