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

Number of shares of equity interests issued or issuable to acquire entity.

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Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

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Amount of dividend income on nonoperating securities.

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-SubTopic 10
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Amount of unrealized gain (loss) on investment in marketable security.

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