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Fair Value Of Financial Instruments (Narrative) (Details) - Common Stock [Member] - Energizer [Member] - USD ($) shares in Millions, $ in Millions		3 Months Ended	9 Months Ended
	Jan. 28, 2019	Jun. 30, 2019	Jun. 30, 2019
Fair Value Of Financial Instruments [Line Items]
Unrealized loss on investment		$ 33.2	$ 38.2
Dividend income		$ 1.6	$ 3.2
Global Auto Care [Member]
Fair Value Of Financial Instruments [Line Items]
Stock consideration, shares	5.3
Stock consideration, value	$ 242.1

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

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Amount of dividend income on nonoperating securities.

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