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DERIVATIVES - Narrative (Details) € in Millions	12 Months Ended
DERIVATIVES - Narrative (Details) € in Millions	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2021 EUR (€)	Sep. 20, 2016
4.00% Notes, due October 1, 2026
Derivative [Line Items]
Long-term secured debt	$ 492,900,000	$ 499,100,000
Stated interest rate	4.00%	4.00%	4.00%	4.00%
Cash Flow Hedging \| Foreign Exchange Contract
Derivative [Line Items]
Derivative net (loss) gain estimated to be reclassified from AOCI into earnings over the next 12 months	$ 3,700,000
Derivative, notional amount	279,900,000	$ 231,200,000
Fair Value Hedging
Derivative [Line Items]
Posted cash collateral	0	0
Posted standby letters of credit	0	0
Net Investment Hedge
Derivative [Line Items]
Pre-tax loss in earnings	$ 0	1,200,000
Net Investment Hedge \| 4.00% Notes, due October 1, 2026 \| Spectrum Brands, Inc.
Derivative [Line Items]
Long-term secured debt \| €			€ 425.0
Stated interest rate	4.00%		4.00%
Not Designated as Hedging Instrument \| Foreign Exchange Contract
Derivative [Line Items]
Derivative, notional amount	$ 198,400,000	$ 752,000,000