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DERIVATIVES - Narrative (Details) € in Millions	12 Months Ended
DERIVATIVES - Narrative (Details) € in Millions	Sep. 30, 2024 USD ($)	Sep. 30, 2024 EUR (€)	Sep. 30, 2023 USD ($)
4.00% Notes, due October 1, 2026
Derivative [Line Items]
Long-term secured debt			$ 448,800,000
Not Designated as Hedging Instrument \| Foreign Exchange Contract
Derivative [Line Items]
Derivative, notional amount	$ 466,900,000		671,500,000
Cash Flow Hedging \| Foreign Exchange Contract
Derivative [Line Items]
Derivative net loss estimated to be reclassified from AOCI into earnings over the next 12 months	7,600,000
Derivative, notional amount	351,700,000		320,200,000
Fair Value Hedging
Derivative [Line Items]
Posted cash collateral	0		0
Posted standby letters of credit	0		$ 0
Net Investment Hedge \| 4.00% Notes, due October 1, 2026
Derivative [Line Items]
Unrealized gain on derivatives	$ 11,900,000
Net Investment Hedge \| 4.00% Notes, due October 1, 2026 \| Spectrum Brands, Inc.
Derivative [Line Items]
Long-term secured debt \| €		€ 425.0