FAIR VALUE OF FINANCIAL INSTRUMENTS - Narrative (Details) - Common Stock - Energizer - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Jun. 28, 2020	Jul. 04, 2021	Jun. 28, 2020
Fair Value Of Financial Instruments [Line Items]
Number of shares sold (in shares)	1,100,000	1,700,000	2,100,000
Proceeds from sale of stock	$ 51.1	$ 73.1	$ 79.7
Number of shares held (in shares)		0

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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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