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Description Of Business (Narrative) (Details) $ in Millions |  | 9 Months Ended |
--- | --- | --- | ---
Jan. 28, 2019 USD ($) | Jun. 30, 2019 segment | Jan. 02, 2019 USD ($)
Description Of Business [Line Items] |  |  |
Number of segments | segment |  | 4 |
Global Battery And Lighting [Member] | Energizer [Member] |  |  |
Description Of Business [Line Items] |  |  |
Purchase price |  |  | $ 1,956.2
Purchase price adjustment |  |  | $ 200.0
Global Auto Care [Member] | Energizer [Member] |  |  |
Description Of Business [Line Items] |  |  |
Purchase price, cash | $ 938.7 |  |
Common Stock [Member] | Global Auto Care [Member] | Energizer [Member] |  |  |
Description Of Business [Line Items] |  |  |
Stock consideration, value | $ 242.1 |  |

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