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Fair Value Of Financial Instruments (Narrative) (Details) - Energizer [Member] - USD ($) shares in Millions, $ in Millions |  | 12 Months Ended
--- | --- | ---
Jan. 28, 2019 | Sep. 30, 2019
Common Stock [Member] |  |
Fair Value Of Financial Instruments [Line Items] |  |
Unrealized loss on investment |  | $ 12.1
Dividend income |  | $ 4.8
Global Auto Care [Member] |  |
Fair Value Of Financial Instruments [Line Items] |  |
Stock consideration, value | $ 242.1 |
Global Auto Care [Member] | Common Stock [Member] |  |
Fair Value Of Financial Instruments [Line Items] |  |
Stock consideration, shares | 5.3 |
Stock consideration, value | $ 242.1 |

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