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Fair Value Of Financial Instruments (Narrative) (Details) - USD ($) shares in Millions, $ in Millions | 1 Months Ended | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Aug. 03, 2020 | Jun. 28, 2020 | Jun. 28, 2020
Settled subsequent to period end | Subsequent Event |  |  |
Fair Value Of Financial Instruments [Line Items] |  |  |
Consideration received for settled shares | $ 11.7 |  |
Number of shares settled | 0.3 |  |
Common Stock | Energizer |  |  |
Fair Value Of Financial Instruments [Line Items] |  |  |
Number of shares sold |  | 1.1 | 2.1
Proceeds from sale of stock |  | $ 51.1 | $ 79.7
Number of shares held |  | 3.1 | 3.1

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