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v3.22.1

Segment Information (Narrative) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Mar. 31, 2022 | Mar. 31, 2021
Segment Reporting Information [Line Items] |  |  |  |
Restructuring and other charges | $ (0.6) | $ (0.8) | $ (3.0) | $ (2.2)
Operating income | 34.2 | 33.4 | 63.1 | 61.2
Depreciation, Depletion and Amortization | 14.8 | 14.7 | 30.0 | 29.4
Payments to Acquire Productive Assets | 15.0 | 15.5 | 26.0 | 31.1
Net sales | 310.5 | 267.5 | 582.8 | 504.9
Mueller Co. [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Restructuring and other charges | 0.0 | 0.0 | 0.0 | (0.1)
Operating income | 35.4 | 29.7 | 66.7 | 52.8
Depreciation, Depletion and Amortization | 7.5 | 7.5 | 14.9 | 14.9
Payments to Acquire Productive Assets | 12.1 | 13.8 | 21.5 | 26.1
Net sales | 183.9 | 147.1 | 338.8 | 275.9
Mueller Co. [Member] | Central Region [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 50.7 | 38.4 | 91.2 | 73.4
Mueller Co. [Member] | Northeast Region [Member] [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 31.1 | 22.4 | 61.1 | 47.3
Mueller Co. [Member] | Southeast Region [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 40.7 | 29.9 | 78.0 | 53.0
Mueller Co. [Member] | Western Region [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 45.8 | 43.4 | 83.9 | 79.7
Mueller Co. [Member] | UNITED STATES |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 168.3 | 134.1 | 314.2 | 253.4
Mueller Co. [Member] | CANADA |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 14.0 | 11.1 | 21.9 | 16.8
Mueller Co. [Member] | Other International Locations [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 1.6 | 1.9 | 2.7 | 5.7
Corporate |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Restructuring and other charges | (0.5) | (1.5) | (2.9) | (2.8)
Operating income | (12.9) | (14.6) | (26.8) | (26.9)
Depreciation, Depletion and Amortization | 0.0 | 0.0 | 0.1 | 0.1
Payments to Acquire Productive Assets | 0.0 | 0.0 | 0.0 | 0.1
Mueller Technologies [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Restructuring and other charges | (0.1) | (0.7) | (0.1) | (0.7)
Operating income | 11.7 | 18.3 | 23.2 | 35.3
Depreciation, Depletion and Amortization | 7.3 | 7.2 | 15.0 | 14.4
Payments to Acquire Productive Assets | 2.9 | 1.7 | 4.5 | 4.9
Net sales | 126.6 | 120.4 | 244.0 | 229.0
Mueller Technologies [Member] | Central Region [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 34.6 | 32.3 | 63.4 | 59.2
Mueller Technologies [Member] | Northeast Region [Member] [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 28.4 | 24.2 | 52.7 | 48.6
Mueller Technologies [Member] | Southeast Region [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 26.3 | 24.7 | 51.8 | 47.5
Mueller Technologies [Member] | Western Region [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 22.3 | 23.1 | 47.0 | 45.2
Mueller Technologies [Member] | UNITED STATES |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 111.6 | 104.3 | 214.9 | 200.5
Mueller Technologies [Member] | CANADA |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 8.7 | 9.4 | 16.3 | 16.1
Mueller Technologies [Member] | Other International Locations [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | $ 6.3 | $ 6.7 | $ 12.8 | $ 12.4

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