Debt - Scheduled Maturities of Debt and Capital Lease Payments (Details) - USD ($) $ in Millions	Sep. 30, 2016	Sep. 30, 2015
Debt Instrument [Line Items]
Capital Leases, Future Minimum Payments Due, Next Twelve Months	$ 10.0
Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Four	19.9
Capital Leases, Future Minimum Payments Due in Five Years	10.0
Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Three	884.6
Capital Leases, Future Minimum Payments Due in Four Years	8.5
Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Two	24.8
Capital Leases, Future Minimum Payments Due in Three Years	8.8
Long-term Debt and Capital Lease Obligations, Repayments of Principal in Next Twelve Months	166.0
Capital Leases, Future Minimum Payments Due in Two Years	9.5
Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Five	124.0
Capital Leases, Future Minimum Payments Due Thereafter	67.9
Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal after Year Five	4,321.4
Capital Leases, Future Minimum Payments Due	114.7
Long-term Debt	5,540.7	$ 6,112.1
Long-term Debt and Capital Lease Obligations	5,540.7
HGI
Debt Instrument [Line Items]
Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Four	0.0
Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Two	0.0
Long-term Debt and Capital Lease Obligations, Repayments of Principal in Next Twelve Months	0.0
Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Five	0.0
Long-term Debt	1,711.2	1,705.1
Long-term Debt and Capital Lease Obligations	1,754.4
HGI \| 7.875% Senior Secured Notes, due July 15, 2019
Debt Instrument [Line Items]
Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Three	864.4
HGI \| Seven Point Seven Five Percent Senior Unsecured Notes [Member]
Debt Instrument [Line Items]
Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal after Year Five	890.0
Long-term Debt	890.0	890.0
Secured Debt [Member] \| HGI \| 7.875% Senior Secured Notes, due July 15, 2019
Debt Instrument [Line Items]
Long-term Debt, Maturities, Repayments of Principal in Year Five		864.4
Long-term Debt	864.4
Secured Debt [Member] \| Spectrum Brands [Member] \| 6.375% Senior Notes due 2020
Debt Instrument [Line Items]
Long-term Debt, Maturities, Repayments of Principal in Year Five	129.7
Long-term Debt	$ 129.7	$ 520.0

Amount of minimum lease payments for capital leases.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737

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Amount of minimum lease payments for capital leases due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of minimum lease payments for capital leases due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of minimum lease payments for capital leases due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of minimum lease payments for capital leases due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of minimum lease payments for capital leases due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of minimum lease payments for capital leases due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Principal amount of long-term debt and capital lease obligation maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Principal amount of long-term debt and capital lease obligation maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Principal amount of long-term debt and capital lease obligation maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Principal amount of long-term debt and capital lease obligation maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Principal amount of long-term debt and capital lease obligation maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Principal amount of long-term debt and capital lease obligation maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 3
-Subparagraph (SX 210.12-04.(a))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690

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