DEBT - Schedule of Debt (Details) - USD ($) $ in Millions	Sep. 30, 2023	Sep. 30, 2022	Sep. 24, 2019	Sep. 20, 2016	May 20, 2015
Debt Instrument [Line Items]
Obligations under finance leases	$ 86.4
Total Spectrum Brands, Inc. debt	1,573.9	$ 3,193.8
Unamortized discount on debt	0.0	(0.8)
Debt issuance costs	(18.4)	(36.2)
Less current portion	(8.6)	(12.3)
Long-term debt, net of current portion	1,546.9	3,144.5
Term Loan Facility, variable rate, due March 3, 2028
Debt Instrument [Line Items]
Secured debt	0.0	$ 394.0
Stated interest rate		5.20%
5.75% Notes, due July 15, 2025
Debt Instrument [Line Items]
Secured debt	$ 0.0	$ 450.0
Stated interest rate	5.75%	5.80%			5.75%
4.00% Notes, due October 1, 2026
Debt Instrument [Line Items]
Secured debt	$ 448.8	$ 417.1
Stated interest rate	4.00%	4.00%		4.00%
5.00% Notes, due October 1, 2029
Debt Instrument [Line Items]
Secured debt	$ 297.2	$ 300.0
Stated interest rate	5.00%	5.00%	5.00%
5.50% Notes, due July 15, 2030
Debt Instrument [Line Items]
Secured debt	$ 288.5	$ 300.0
Stated interest rate	5.50%	5.50%
3.875% Notes, due March 15, 2031
Debt Instrument [Line Items]
Secured debt	$ 453.0	$ 500.0
Stated interest rate	3.875%	3.90%
Obligations under finance leases
Debt Instrument [Line Items]
Stated interest rate	5.30%	5.10%
Obligations under finance leases	$ 86.4	$ 92.7
Revolving Credit Facility
Debt Instrument [Line Items]
Revolver Facility, variable rate, expiring June 30, 2025	$ 0.0	$ 740.0
Stated interest rate		5.70%