Business acquisition fair value of contingent purchase price consideration reduction.

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Commitment And Contingencies [Line Items]

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Contingent Liabilities Established Related To Administrative Costs And Potential Liabilities Due To Audits And Examinations

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No definition available.

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Reserves for legal, environmental and regulatory matters.

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Revolving Loan Facility

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- Definition

The total amount of expense recognized during the period for future policy benefits, claims and claims adjustment costs, and for selling, general and administrative costs.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-04.5,6,7)

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Amount of costs recognized in the balance sheet for known or estimated future costs arising from requirements to perform activities to remediate one or more sites.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 410

-SubTopic 30

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The amount of expense provided in the period for legal costs incurred on or before the balance sheet date pertaining to resolved, pending or threatened litigation, including arbitration and mediation proceedings.

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-Publisher FASB

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-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.3)

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Aggregate carrying amount of the estimated litigation liability for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs.

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Amount of judgment or settlement awarded to (against) the entity in respect of litigation.

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No definition available.

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Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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-Name Regulation S-X (SX)

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-Section 02

-Paragraph 20, 22

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Amount of payments made reducing loss contingency liability.

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- Definition

The amount of insurance-related assessment liability that is expected to be recovered through a premium tax offset based on current laws applied to in-force policies.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 405

-SubTopic 30

-Section 50

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Amount charged against operating income increasing loss contingency liability, after adjustments to reduce previously estimated charges.

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The value (monetary amount) of the award the plaintiff seeks in the legal matter.

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-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

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Amount of receivable related to a loss contingency accrual. For example, an insurance recovery receivable.

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The liability as of the balance sheet date representing required funding mandated by statute or regulatory authority that is related directly or indirectly to underwriting activities, including pools for self-insurance and excluding premium taxes and income taxes. The funds derived from the assessments generally enable a government guarantor to pay insurance claims in the event that the underwriting insurer is insolvent or otherwise unable to meet its payment obligations.

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The amount of cash paid for the settlement of litigation or for other legal issues during the period.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

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Commitments and Contingencies - Additional Information (Detail) - USD ($)		3 Months Ended	12 Months Ended
	Jan. 07, 2015	Sep. 30, 2015	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2012	Jun. 30, 2015	Apr. 06, 2011
Commitment And Contingencies [Line Items]
Reserves for legal, environmental and regulatory matters		$ 11,300,000	$ 11,300,000
Long-term debt		6,408,400,000	6,408,400,000	$ 5,194,500,000
FGLH
Commitment And Contingencies [Line Items]
Business Acquisition Fair Value Of Contingent Purchase Price Consideration Reduction							$ 50,000,000
Accrued amount of guaranty fund assessments			3,800,000
Estimated future premium tax deductions		3,800,000	3,800,000
Administrative costs and potential liabilities				1,800,000
Spectrum Brands [Member]
Commitment And Contingencies [Line Items]
Environmental costs recognized, capitalized		4,400,000	4,400,000
OMGUK CARVM financing fee [Member]
Commitment And Contingencies [Line Items]
Reserves for legal, environmental and regulatory matters						$ 5,900,000
Legal Fees			7,600,000
HRG v OMGUK [Member]
Commitment And Contingencies [Line Items]
Litigation Settlement, Amount			61,600,000.0
Cressy Plaintiff [Member]
Commitment And Contingencies [Line Items]
Litigation Settlement, Amount				5,300,000
Loss Contingency Accrual, Provision		1,300,000		9,200,000
Estimated Litigation Liability				$ 1,900,000
Loss Contingency, Receivable						3,600,000
Eddie L. Cressy v. Fidelity Guaranty [sic] Life Insurance Company, et. al. [Member]
Commitment And Contingencies [Line Items]
Legal Fees			4,000,000
Payments for Legal Settlements			3,300,000
Dale R. Ludwick, on behalf of Herself and All Others Similarly Situated v. Harbinger Group Inc., Fidelity & Guaranty Life Insurance Company, Raven Reinsurance Company, and Front Street Re (Cayman) Ltd [Member]
Commitment And Contingencies [Line Items]
Estimated Litigation Liability						$ 1,300,000
Loss Contingency, Damages Sought, Value	$ 0
Unasserted Claim [Member] \| FGLH
Commitment And Contingencies [Line Items]
Benefits, Losses and Expenses					$ 11,000,000
Loss Contingency Accrual, Payments			1,700,000.0
Proposed Settlement [Member] \| Kahn v. Philip A. Falcone et al [Member]
Commitment And Contingencies [Line Items]
Litigation Settlement, Amount			3,800,000.0
Salus Capital Partners LLC \| Radioshack [Member]
Commitment And Contingencies [Line Items]
Long-term debt		250,000,000	250,000,000
Revolving Loan Facility		$ 585,000,000	$ 585,000,000