Debt (Schedule Of Debt) (Details) - USD ($) $ in Millions	12 Months Ended
Sep. 30, 2018	Sep. 30, 2017
Debt Instrument [Line Items]
Debt	$ 4,749.9	$ 5,801.9
Unamortized discount on debt	(19.8)	(20.7)
Debt issuance costs	(57.6)	(76.1)
Less current portion	(21.2)	(161.4)
Long-term debt, net of current portion	4,651.3	5,543.7
Spectrum Brands Inc [Member]
Debt Instrument [Line Items]
Debt	3,782.9	3,828.5
SB/RH [Member]
Debt Instrument [Line Items]
Debt	4,302.9	3,828.5
Unamortized discount on debt	(2.8)	(3.7)
Debt issuance costs	(45.5)	(53.1)
Less current portion	(541.2)	(19.4)
Long-term debt, net of current portion	$ 3,713.4	3,752.3
Expiring March 6, 2022 [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Rate	4.40%
Expiring March 6, 2022 [Member] \| SBH and SB/RH [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Maturity date	Mar. 06, 2022
Expiring March 6, 2022 [Member] \| SB/RH [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Rate	4.40%
USD Term Loan [Member] \| Due June 23, 2022 [Member]
Debt Instrument [Line Items]
Term loan	$ 1,231.7	$ 1,244.2
Rate	4.40%	3.40%
USD Term Loan [Member] \| Due June 23, 2022 [Member] \| SBH and SB/RH [Member]
Debt Instrument [Line Items]
Maturity date	Jun. 23, 2022
USD Term Loan [Member] \| Due June 23, 2022 [Member] \| SB/RH [Member]
Debt Instrument [Line Items]
Term loan	$ 1,231.7	$ 1,244.2
Rate	4.40%	3.40%
CAD Term Loan [Member] \| Due June 23, 2022 [Member]
Debt Instrument [Line Items]
Term loan	$ 32.8	$ 59.0
Rate	5.50%	4.90%
CAD Term Loan [Member] \| Due June 23, 2022 [Member] \| SBH and SB/RH [Member]
Debt Instrument [Line Items]
Maturity date	Jun. 23, 2022
CAD Term Loan [Member] \| Due June 23, 2022 [Member] \| SB/RH [Member]
Debt Instrument [Line Items]
Term loan	$ 32.8	$ 59.0
Rate	5.50%	4.90%
4.00% Notes, Due October 1, 2026 [Member]
Debt Instrument [Line Items]
Notes	$ 494.7	$ 500.9
Rate	4.00%	4.00%
Interest rate	4.00%	4.00%
4.00% Notes, Due October 1, 2026 [Member] \| SBH and SB/RH [Member]
Debt Instrument [Line Items]
Interest rate	4.00%
Maturity date	Oct. 01, 2026
4.00% Notes, Due October 1, 2026 [Member] \| SB/RH [Member]
Debt Instrument [Line Items]
Notes	$ 494.7	$ 500.9
Rate	4.00%	4.00%
5.75% Notes, Due July 15, 2025 [Member]
Debt Instrument [Line Items]
Notes	$ 1,000.0	$ 1,000.0
Rate	5.80%	5.80%
Interest rate	5.75%	5.75%
5.75% Notes, Due July 15, 2025 [Member] \| SBH and SB/RH [Member]
Debt Instrument [Line Items]
Interest rate	5.75%
Maturity date	Jul. 15, 2025
5.75% Notes, Due July 15, 2025 [Member] \| SB/RH [Member]
Debt Instrument [Line Items]
Notes	$ 1,000.0	$ 1,000.0
Rate	5.80%	5.80%
6.125% Notes, Due December 15, 2024 [Member]
Debt Instrument [Line Items]
Notes	$ 250.0	$ 250.0
Rate	6.10%	6.10%
Interest rate	6.125%	6.125%
6.125% Notes, Due December 15, 2024 [Member] \| SBH and SB/RH [Member]
Debt Instrument [Line Items]
Interest rate	6.125%
Maturity date	Dec. 15, 2024
6.125% Notes, Due December 15, 2024 [Member] \| SB/RH [Member]
Debt Instrument [Line Items]
Notes	$ 250.0	$ 250.0
Rate	6.10%	6.10%
6.625% Notes, Due November 15, 2022 [Member]
Debt Instrument [Line Items]
Notes	$ 570.0	$ 570.0
Rate	6.60%	6.60%
Interest rate	6.625%	6.625%
6.625% Notes, Due November 15, 2022 [Member] \| SBH and SB/RH [Member]
Debt Instrument [Line Items]
Interest rate	6.625%
Maturity date	Nov. 15, 2022
6.625% Notes, Due November 15, 2022 [Member] \| SB/RH [Member]
Debt Instrument [Line Items]
Notes	$ 570.0	$ 570.0
Rate	6.60%	6.60%
Intercompany Note [Member] \| SB/RH [Member]
Debt Instrument [Line Items]
Intercompany note with parent	$ 520.0
Rate	4.30%
Other Notes And Obligations [Member]
Debt Instrument [Line Items]
Other notes and obligations	$ 7.9	$ 4.7
Rate	4.10%	8.00%
Other Notes And Obligations [Member] \| SB/RH [Member]
Debt Instrument [Line Items]
Other notes and obligations	$ 7.9	$ 4.7
Rate	4.10%	8.00%
Obligations Under Capital Leases [Member]
Debt Instrument [Line Items]
Obligations under capital leases	$ 195.8	$ 199.7
Rate	5.70%	5.70%
Obligations Under Capital Leases [Member] \| SB/RH [Member]
Debt Instrument [Line Items]
Obligations under capital leases	$ 195.8	$ 199.7
Rate	5.70%	5.70%
HRG - 7.875% Senior Secured Notes, Due July 15, 2019 [Member] \| Secured Debt [Member]
Debt Instrument [Line Items]
Notes		$ 864.4
Rate		7.90%
Interest rate	7.875%
Maturity date	Jul. 15, 2019
HRG - 7.75% Senior Unsecured Notes, Due January 15, 2019 [Member] \| Unsecured Debt [Member]
Debt Instrument [Line Items]
Notes	$ 890.0	$ 890.0
Rate	7.80%	7.80%
Interest rate	7.75%
Maturity date	Jan. 15, 2022
HGI Funding - 2017 Loan, Due July 13, 2018 [Member]
Debt Instrument [Line Items]
Term loan		$ 50.0
Rate		3.70%
Maturity date	Jul. 13, 2018
HGI Energy Notes Due June 30, 2018 [Member]
Debt Instrument [Line Items]
Notes		$ 92.0
Rate		1.50%
Maturity date	Jun. 30, 2018
Salus - Unaffiliated Long-Term Debt Of Consolidated VIE [Member]
Debt Instrument [Line Items]
Long-term debt	$ 77.0	$ 28.9
Salus - Long Term Debt Of Consolidated VIE With FGL [Member]
Debt Instrument [Line Items]
Long-term debt		$ 48.1

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Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

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