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v3.10.0.1

Segment Information (Schedule Of Selected Supplemental Balance Sheet Information) (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Sep. 30, 2018
Segment Reporting Information [Line Items] |  |  |
Revenues | $ 192.8 | $ 178.3 |
Operating income | 15.9 | 20.7 |
Depreciation and amortization | 12.1 | 10.6 |
Restructuring | 3.2 | 3.9 |
Payments to Acquire Productive Assets | 15.9 | 6.4 |
Total assets | 1,259.1 |  | $ 1,291.9
Intangible intangible assets, net | 412.6 |  | $ 408.1
Mueller Co. [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 172.0 | 160.1 |
Operating income | 30.9 | 28.1 |
Depreciation and amortization | 10.1 | 9.1 |
Restructuring | 0.0 | 0.0 |
Payments to Acquire Productive Assets | 14.8 | 4.8 |
Mueller Co. [Member] | Central Region [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 40.3 | 39.4 |
Mueller Co. [Member] | Northeast Region [Member] [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 37.9 | 37.7 |
Mueller Co. [Member] | Southeast Region [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 34.7 | 28.9 |
Mueller Co. [Member] | Western Region [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 44.8 | 39.9 |
Mueller Co. [Member] | UNITED STATES |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 157.7 | 145.9 |
Mueller Co. [Member] | CANADA |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 9.9 | 11.0 |
Mueller Co. [Member] | Other International Locations [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 4.4 | 3.2 |
Mueller Technologies [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 20.8 | 18.2 |
Operating income | (3.7) | (4.7) |
Depreciation and amortization | 2.0 | 1.4 |
Restructuring | 0.0 | 0.1 |
Payments to Acquire Productive Assets | 1.1 | 1.5 |
Mueller Technologies [Member] | Central Region [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 6.5 | 3.5 |
Mueller Technologies [Member] | Northeast Region [Member] [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 3.4 | 4.0 |
Mueller Technologies [Member] | Southeast Region [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 6.8 | 7.5 |
Mueller Technologies [Member] | Western Region [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 2.7 | 1.9 |
Mueller Technologies [Member] | UNITED STATES |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 19.4 | 16.9 |
Mueller Technologies [Member] | CANADA |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 0.2 | 0.1 |
Mueller Technologies [Member] | Other International Locations [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 1.2 | 1.2 |
Corporate [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating income | (11.3) | (2.7) |
Depreciation and amortization | 0.0 | 0.1 |
Restructuring | 3.2 | 3.8 |
Payments to Acquire Productive Assets | $ 0.0 | $ 0.1 |

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