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Debt - Additional Information (Detail) (USD $)	3 Months Ended			6 Months Ended
	Mar. 31, 2015		Mar. 31, 2014	Mar. 31, 2015		Mar. 31, 2014	Sep. 30, 2014		May 06, 2015	Apr. 14, 2015	Sep. 30, 2015
Debt Instrument [Line Items]
Document Period End Date				Mar. 31, 2015
Line of Credit Facility, Interest Rate Description				0.002
Other assets	$ 922,100,000us-gaap_OtherAssets			$ 922,100,000us-gaap_OtherAssets			$ 421,900,000us-gaap_OtherAssets
Interest Expense	85,500,000us-gaap_InterestExpense		77,200,000us-gaap_InterestExpense	166,100,000us-gaap_InterestExpense		161,200,000us-gaap_InterestExpense
Amortization of debt discount				2,400,000us-gaap_AmortizationOfDebtDiscountPremium		1,300,000us-gaap_AmortizationOfDebtDiscountPremium
Long-term Debt	5,658,300,000us-gaap_LongTermDebt			5,658,300,000us-gaap_LongTermDebt			5,194,500,000us-gaap_LongTermDebt
Asset-based loans	660,200,000hrg_FinancingReceivableHeldForInvestment			660,200,000hrg_FinancingReceivableHeldForInvestment			811,600,000hrg_FinancingReceivableHeldForInvestment
Federal Funds Rate [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate				0.50%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_VariableRateAxis = hrg_FederalFundsRateMember
Eurodollar [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate				1.00%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_VariableRateAxis = us-gaap_EurodollarMember
Term Loan Due September 4, 2019 [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate				2.75%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_LongtermDebtTypeAxis = hrg_TermLoanDueSeptember42019Member / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember
ABL Facility, expiring May 24, 2017 [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate				1.75%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_LongtermDebtTypeAxis = hrg_AblRevolvingCreditFacilityMember / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember
Term Loan Due December 17, 2019 [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate				3.75%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_LongtermDebtTypeAxis = hrg_TermLoanDueDecember172019Member / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember
HGI [Member] | Seven Point Seven Five Percent Senior Unsecured Notes [Member]
Debt Instrument [Line Items]
Long-term debt, interest rate	7.80%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / dei_LegalEntityAxis = us-gaap_ParentCompanyMember / us-gaap_LongtermDebtTypeAxis = hrg_SevenPointSevenFivePercentSeniorUnsecuredNotesMember			7.80%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / dei_LegalEntityAxis = us-gaap_ParentCompanyMember / us-gaap_LongtermDebtTypeAxis = hrg_SevenPointSevenFivePercentSeniorUnsecuredNotesMember			7.80%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / dei_LegalEntityAxis = us-gaap_ParentCompanyMember / us-gaap_LongtermDebtTypeAxis = hrg_SevenPointSevenFivePercentSeniorUnsecuredNotesMember
Long-term Debt	750,000,000us-gaap_LongTermDebt / dei_LegalEntityAxis = us-gaap_ParentCompanyMember / us-gaap_LongtermDebtTypeAxis = hrg_SevenPointSevenFivePercentSeniorUnsecuredNotesMember			750,000,000us-gaap_LongTermDebt / dei_LegalEntityAxis = us-gaap_ParentCompanyMember / us-gaap_LongtermDebtTypeAxis = hrg_SevenPointSevenFivePercentSeniorUnsecuredNotesMember			750,000,000us-gaap_LongTermDebt / dei_LegalEntityAxis = us-gaap_ParentCompanyMember / us-gaap_LongtermDebtTypeAxis = hrg_SevenPointSevenFivePercentSeniorUnsecuredNotesMember
HGI [Member] | 7.875% Senior Secured Notes, due July 15, 2019 [Member]
Debt Instrument [Line Items]
Long-term debt, interest rate	7.90%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / dei_LegalEntityAxis = us-gaap_ParentCompanyMember / us-gaap_LongtermDebtTypeAxis = hrg_SevenPointEightSevenFivePercentSeniorNotesMember			7.90%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / dei_LegalEntityAxis = us-gaap_ParentCompanyMember / us-gaap_LongtermDebtTypeAxis = hrg_SevenPointEightSevenFivePercentSeniorNotesMember			7.90%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / dei_LegalEntityAxis = us-gaap_ParentCompanyMember / us-gaap_LongtermDebtTypeAxis = hrg_SevenPointEightSevenFivePercentSeniorNotesMember
Long-term Debt	604,400,000us-gaap_LongTermDebt / dei_LegalEntityAxis = us-gaap_ParentCompanyMember / us-gaap_LongtermDebtTypeAxis = hrg_SevenPointEightSevenFivePercentSeniorNotesMember			604,400,000us-gaap_LongTermDebt / dei_LegalEntityAxis = us-gaap_ParentCompanyMember / us-gaap_LongtermDebtTypeAxis = hrg_SevenPointEightSevenFivePercentSeniorNotesMember			604,400,000us-gaap_LongTermDebt / dei_LegalEntityAxis = us-gaap_ParentCompanyMember / us-gaap_LongtermDebtTypeAxis = hrg_SevenPointEightSevenFivePercentSeniorNotesMember
Spectrum Brands [Member] | Euro Term Loan, Due December 19, 2021 [Member] [Member]
Debt Instrument [Line Items]
Debt Issuance Cost	200,000us-gaap_DebtIssuanceCosts / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_EuroTermLoanDueDecember192021MemberMember			2,300,000us-gaap_DebtIssuanceCosts / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_EuroTermLoanDueDecember192021MemberMember
Spectrum Brands [Member] | Term Loan Due September 4, 2017 [Member]
Debt Instrument [Line Items]
Long-term debt, interest rate	3.10%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_TermLoanDueSeptember42017Member	[1]		3.10%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_TermLoanDueSeptember42017Member	[1]		3.00%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_TermLoanDueSeptember42017Member	[1]
Long-term Debt	635,200,000us-gaap_LongTermDebt / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_TermLoanDueSeptember42017Member	[1]		635,200,000us-gaap_LongTermDebt / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_TermLoanDueSeptember42017Member	[1]		648,400,000us-gaap_LongTermDebt / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_TermLoanDueSeptember42017Member	[1]
Spectrum Brands [Member] | Term Loan Due September 4, 2017 [Member] | Interest Rate Floor [Member]
Debt Instrument [Line Items]
Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate	0.75%us-gaap_LongTermDebtPercentageBearingVariableInterestRate / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_TermLoanDueSeptember42017Member / us-gaap_VariableRateAxis = us-gaap_InterestRateFloorMember	[1]		0.75%us-gaap_LongTermDebtPercentageBearingVariableInterestRate / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_TermLoanDueSeptember42017Member / us-gaap_VariableRateAxis = us-gaap_InterestRateFloorMember	[1]
Spectrum Brands [Member] | Term Loan Due September 4, 2017 [Member] | Interest Rate Cap [Member]
Debt Instrument [Line Items]
Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate	2.25%us-gaap_LongTermDebtPercentageBearingVariableInterestRate / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_TermLoanDueSeptember42017Member / us-gaap_VariableRateAxis = us-gaap_InterestRateCapMember	[1]		2.25%us-gaap_LongTermDebtPercentageBearingVariableInterestRate / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_TermLoanDueSeptember42017Member / us-gaap_VariableRateAxis = us-gaap_InterestRateCapMember	[1]
Spectrum Brands [Member] | Term Loan Due September 4, 2017 [Member] | Base Rate [Member]
Debt Instrument [Line Items]
Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate	4.50%us-gaap_LongTermDebtPercentageBearingVariableInterestRate / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_TermLoanDueSeptember42017Member / us-gaap_VariableRateAxis = us-gaap_BaseRateMember	[1]		4.50%us-gaap_LongTermDebtPercentageBearingVariableInterestRate / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_TermLoanDueSeptember42017Member / us-gaap_VariableRateAxis = us-gaap_BaseRateMember	[1]
Spectrum Brands [Member] | Term Loan Due September 4, 2019 [Member]
Debt Instrument [Line Items]
Long-term debt, interest rate	3.60%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_TermLoanDueSeptember42019Member	[1]		3.60%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_TermLoanDueSeptember42019Member	[1]		3.60%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_TermLoanDueSeptember42019Member	[1]
Long-term Debt							509,900,000us-gaap_LongTermDebt / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_TermLoanDueSeptember42019Member	[1]
Spectrum Brands [Member] | Term Loan Due September 4, 2019 [Member] | Interest Rate Floor [Member]
Debt Instrument [Line Items]
Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate	0.75%us-gaap_LongTermDebtPercentageBearingVariableInterestRate / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_TermLoanDueSeptember42019Member / us-gaap_VariableRateAxis = us-gaap_InterestRateFloorMember	[1]		0.75%us-gaap_LongTermDebtPercentageBearingVariableInterestRate / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_TermLoanDueSeptember42019Member / us-gaap_VariableRateAxis = us-gaap_InterestRateFloorMember	[1]
Spectrum Brands [Member] | Term Loan Due September 4, 2019 [Member] | Base Rate [Member]
Debt Instrument [Line Items]
Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate	5.00%us-gaap_LongTermDebtPercentageBearingVariableInterestRate / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_TermLoanDueSeptember42019Member / us-gaap_VariableRateAxis = us-gaap_BaseRateMember	[1]		5.00%us-gaap_LongTermDebtPercentageBearingVariableInterestRate / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_TermLoanDueSeptember42019Member / us-gaap_VariableRateAxis = us-gaap_BaseRateMember	[1]
Spectrum Brands [Member] | ABL Facility, expiring May 24, 2017 [Member]
Debt Instrument [Line Items]
Long-term debt, interest rate	4.00%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_AblRevolvingCreditFacilityMember			4.00%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_AblRevolvingCreditFacilityMember			2.50%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_AblRevolvingCreditFacilityMember
Long-term Debt	42,000,000us-gaap_LongTermDebt / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_AblRevolvingCreditFacilityMember			42,000,000us-gaap_LongTermDebt / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_AblRevolvingCreditFacilityMember			0us-gaap_LongTermDebt / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_AblRevolvingCreditFacilityMember
Line of Credit Facility, Remaining Borrowing Capacity	257,600,000us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_AblRevolvingCreditFacilityMember			257,600,000us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_AblRevolvingCreditFacilityMember
Debt Amount Reserve By Lender	6,400,000hrg_DebtAmountReserveByLender / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_AblRevolvingCreditFacilityMember			6,400,000hrg_DebtAmountReserveByLender / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_AblRevolvingCreditFacilityMember
Spectrum Brands [Member] | ABL Facility, expiring May 24, 2017 [Member] | Base Rate [Member]
Debt Instrument [Line Items]
Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate	4.00%us-gaap_LongTermDebtPercentageBearingVariableInterestRate / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_AblRevolvingCreditFacilityMember / us-gaap_VariableRateAxis = us-gaap_BaseRateMember	[1]		4.00%us-gaap_LongTermDebtPercentageBearingVariableInterestRate / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_AblRevolvingCreditFacilityMember / us-gaap_VariableRateAxis = us-gaap_BaseRateMember	[1]
Spectrum Brands [Member] | Six Point Three Seven Five Senior Notes [Member]
Debt Instrument [Line Items]
Long-term debt, interest rate	6.375%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_SixPointThreeSevenFiveSeniorNotesMember			6.375%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_SixPointThreeSevenFiveSeniorNotesMember			6.40%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_SixPointThreeSevenFiveSeniorNotesMember
Long-term Debt	520,000,000us-gaap_LongTermDebt / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_SixPointThreeSevenFiveSeniorNotesMember			520,000,000us-gaap_LongTermDebt / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_SixPointThreeSevenFiveSeniorNotesMember			520,000,000us-gaap_LongTermDebt / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_SixPointThreeSevenFiveSeniorNotesMember
Spectrum Brands [Member] | 6.625% Notes [Member]
Debt Instrument [Line Items]
Long-term debt, interest rate	6.625%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_SixPointSixTwoFivePercentNotesMember			6.625%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_SixPointSixTwoFivePercentNotesMember			6.60%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_SixPointSixTwoFivePercentNotesMember
Long-term Debt	570,000,000us-gaap_LongTermDebt / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_SixPointSixTwoFivePercentNotesMember			570,000,000us-gaap_LongTermDebt / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_SixPointSixTwoFivePercentNotesMember			570,000,000us-gaap_LongTermDebt / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_SixPointSixTwoFivePercentNotesMember
Spectrum Brands [Member] | Term Loan Due December 17, 2019 [Member]
Debt Instrument [Line Items]
Long-term Debt	30,500,000us-gaap_LongTermDebt / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_TermLoanDueDecember172019Member	[1]		30,500,000us-gaap_LongTermDebt / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_TermLoanDueDecember172019Member	[1]
Spectrum Brands [Member] | Term Loan Due December 17, 2019 [Member] | Interest Rate Floor [Member]
Debt Instrument [Line Items]
Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate	1.29%us-gaap_LongTermDebtPercentageBearingVariableInterestRate / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_TermLoanDueDecember172019Member / us-gaap_VariableRateAxis = us-gaap_InterestRateFloorMember	[1]		1.29%us-gaap_LongTermDebtPercentageBearingVariableInterestRate / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_TermLoanDueDecember172019Member / us-gaap_VariableRateAxis = us-gaap_InterestRateFloorMember	[1]		1.25%us-gaap_LongTermDebtPercentageBearingVariableInterestRate / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_TermLoanDueDecember172019Member / us-gaap_VariableRateAxis = us-gaap_InterestRateFloorMember	[1]
Spectrum Brands [Member] | Term Loan Due December 17, 2019 [Member] | Base Rate [Member]
Debt Instrument [Line Items]
Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate	5.60%us-gaap_LongTermDebtPercentageBearingVariableInterestRate / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_TermLoanDueDecember172019Member / us-gaap_VariableRateAxis = us-gaap_BaseRateMember	[1]		5.60%us-gaap_LongTermDebtPercentageBearingVariableInterestRate / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_TermLoanDueDecember172019Member / us-gaap_VariableRateAxis = us-gaap_BaseRateMember	[1]
Spectrum Brands [Member] | Letter of Credit [Member]
Debt Instrument [Line Items]
Letter of credit outstanding	30,300,000us-gaap_LettersOfCreditOutstandingAmount / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = us-gaap_LetterOfCreditMember			30,300,000us-gaap_LettersOfCreditOutstandingAmount / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = us-gaap_LetterOfCreditMember
Spectrum Brands [Member] | Six Point One Two Five Percentage Senior Notes [Member]
Debt Instrument [Line Items]
Long-term debt, interest rate	6.125%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_SixPointOneTwoFivePercentageSeniorNotesMember			6.125%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_SixPointOneTwoFivePercentageSeniorNotesMember			0.00%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_SixPointOneTwoFivePercentageSeniorNotesMember
Debt Issuance Cost	600,000us-gaap_DebtIssuanceCosts / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_SixPointOneTwoFivePercentageSeniorNotesMember			4,600,000us-gaap_DebtIssuanceCosts / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_SixPointOneTwoFivePercentageSeniorNotesMember
Long-term Debt	250,000,000us-gaap_LongTermDebt / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_SixPointOneTwoFivePercentageSeniorNotesMember			250,000,000us-gaap_LongTermDebt / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_SixPointOneTwoFivePercentageSeniorNotesMember			0us-gaap_LongTermDebt / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_SixPointOneTwoFivePercentageSeniorNotesMember
Spectrum Brands [Member] | Six Point Three Seven Five Percentage Notes And Six Point Six Two Five Percentage Notes [Member]
Debt Instrument [Line Items]
Minimum Percentage Of Aggregate Outstanding Principal Held By Registered Holders				25.00%hrg_MinimumPercentageOfAggregateOutstandingPrincipalHeldByRegisteredHolders / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_SixPointThreeSevenFivePercentageNotesAndSixPointSixTwoFivePercentageNotesMember
FGLH [Member] | FGL Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Letter of credit outstanding	150,000,000us-gaap_LettersOfCreditOutstandingAmount / dei_LegalEntityAxis = hrg_FGLHMember / us-gaap_LongtermDebtTypeAxis = hrg_FGLRevolvingCreditFacilityMember			150,000,000us-gaap_LettersOfCreditOutstandingAmount / dei_LegalEntityAxis = hrg_FGLHMember / us-gaap_LongtermDebtTypeAxis = hrg_FGLRevolvingCreditFacilityMember
FGLH [Member] | Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Long-term debt, interest rate	5.25%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember / dei_LegalEntityAxis = hrg_FidelityAndGuarantyLifeHoldingsMember			5.25%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember / dei_LegalEntityAxis = hrg_FidelityAndGuarantyLifeHoldingsMember			5.30%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember / dei_LegalEntityAxis = hrg_FidelityAndGuarantyLifeHoldingsMember
Line of Credit Facility, Amount Outstanding	0us-gaap_LineOfCredit / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember / dei_LegalEntityAxis = hrg_FidelityAndGuarantyLifeHoldingsMember			0us-gaap_LineOfCredit / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember / dei_LegalEntityAxis = hrg_FidelityAndGuarantyLifeHoldingsMember			0us-gaap_LineOfCredit / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember / dei_LegalEntityAxis = hrg_FidelityAndGuarantyLifeHoldingsMember
FGLH [Member] | 6.375% Senior Notes, Due April 1, 2021 [Member]
Debt Instrument [Line Items]
Long-term debt, interest rate	6.40%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / dei_LegalEntityAxis = hrg_FidelityAndGuarantyLifeHoldingsMember / us-gaap_LongtermDebtTypeAxis = hrg_SixPointThreeSevenFivePercentSeniorNotesDueApril12021Member			6.40%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / dei_LegalEntityAxis = hrg_FidelityAndGuarantyLifeHoldingsMember / us-gaap_LongtermDebtTypeAxis = hrg_SixPointThreeSevenFivePercentSeniorNotesDueApril12021Member			6.40%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / dei_LegalEntityAxis = hrg_FidelityAndGuarantyLifeHoldingsMember / us-gaap_LongtermDebtTypeAxis = hrg_SixPointThreeSevenFivePercentSeniorNotesDueApril12021Member
Long-term Debt	300,000,000us-gaap_LongTermDebt / dei_LegalEntityAxis = hrg_FidelityAndGuarantyLifeHoldingsMember / us-gaap_LongtermDebtTypeAxis = hrg_SixPointThreeSevenFivePercentSeniorNotesDueApril12021Member			300,000,000us-gaap_LongTermDebt / dei_LegalEntityAxis = hrg_FidelityAndGuarantyLifeHoldingsMember / us-gaap_LongtermDebtTypeAxis = hrg_SixPointThreeSevenFivePercentSeniorNotesDueApril12021Member			300,000,000us-gaap_LongTermDebt / dei_LegalEntityAxis = hrg_FidelityAndGuarantyLifeHoldingsMember / us-gaap_LongtermDebtTypeAxis = hrg_SixPointThreeSevenFivePercentSeniorNotesDueApril12021Member
EXCO/HGI JV [Member] | Compass Credit Agreement [Member]
Debt Instrument [Line Items]
Line of Credit Agreement, Partnership Required to Enter into Derivative Financial Instruments, Minimum Percentage Covering Forecasted Proved Natural Gas Production, Year One	80.00%hrg_LineOfCreditAgreementPartnershipRequiredToEnterIntoDerivativeFinancialInstrumentsMinimumPercentageCoveringForecastedProvedNaturalGasProductionYearOne / us-gaap_CreditFacilityAxis = hrg_CompassCreditAgreementMember / dei_LegalEntityAxis = hrg_ExcohgiPartnershipMember			80.00%hrg_LineOfCreditAgreementPartnershipRequiredToEnterIntoDerivativeFinancialInstrumentsMinimumPercentageCoveringForecastedProvedNaturalGasProductionYearOne / us-gaap_CreditFacilityAxis = hrg_CompassCreditAgreementMember / dei_LegalEntityAxis = hrg_ExcohgiPartnershipMember
Line of Credit Agreement, Partnership Required to Enter into Derivative Financial Instruments, Maximum Percentage Covering Forecasted Proved Natural Gas Production, Year 1 and 2	100.00%hrg_LineOfCreditAgreementPartnershipRequiredToEnterIntoDerivativeFinancialInstrumentsMaximumPercentageCoveringForecastedProvedNaturalGasProductionYear1And2 / us-gaap_CreditFacilityAxis = hrg_CompassCreditAgreementMember / dei_LegalEntityAxis = hrg_ExcohgiPartnershipMember			100.00%hrg_LineOfCreditAgreementPartnershipRequiredToEnterIntoDerivativeFinancialInstrumentsMaximumPercentageCoveringForecastedProvedNaturalGasProductionYear1And2 / us-gaap_CreditFacilityAxis = hrg_CompassCreditAgreementMember / dei_LegalEntityAxis = hrg_ExcohgiPartnershipMember
Line of Credit Agreement, Partnership Required to Enter into Derivative Financial Instruments, Maximum Percentage Covering Forecasted Proved Natural Gas Production, Year 3	90.00%hrg_LineOfCreditAgreementPartnershipRequiredToEnterIntoDerivativeFinancialInstrumentsMaximumPercentageCoveringForecastedProvedNaturalGasProductionYear3 / us-gaap_CreditFacilityAxis = hrg_CompassCreditAgreementMember / dei_LegalEntityAxis = hrg_ExcohgiPartnershipMember			90.00%hrg_LineOfCreditAgreementPartnershipRequiredToEnterIntoDerivativeFinancialInstrumentsMaximumPercentageCoveringForecastedProvedNaturalGasProductionYear3 / us-gaap_CreditFacilityAxis = hrg_CompassCreditAgreementMember / dei_LegalEntityAxis = hrg_ExcohgiPartnershipMember
Line of Credit Agreement, Partnership Required to Enter into Derivative Financial Instruments, Maximum Percentage Covering Forecasted Proved Natural Gas Production, Year 4 and 5	85.00%hrg_LineOfCreditAgreementPartnershipRequiredToEnterIntoDerivativeFinancialInstrumentsMaximumPercentageCoveringForecastedProvedNaturalGasProductionYear4And5 / us-gaap_CreditFacilityAxis = hrg_CompassCreditAgreementMember / dei_LegalEntityAxis = hrg_ExcohgiPartnershipMember			85.00%hrg_LineOfCreditAgreementPartnershipRequiredToEnterIntoDerivativeFinancialInstrumentsMaximumPercentageCoveringForecastedProvedNaturalGasProductionYear4And5 / us-gaap_CreditFacilityAxis = hrg_CompassCreditAgreementMember / dei_LegalEntityAxis = hrg_ExcohgiPartnershipMember
Line of Credit Facility, Convenant Terms, Current Ratio	1.0hrg_LineOfCreditFacilityConvenantTermsCurrentRatio / us-gaap_CreditFacilityAxis = hrg_CompassCreditAgreementMember / dei_LegalEntityAxis = hrg_ExcohgiPartnershipMember			1.0hrg_LineOfCreditFacilityConvenantTermsCurrentRatio / us-gaap_CreditFacilityAxis = hrg_CompassCreditAgreementMember / dei_LegalEntityAxis = hrg_ExcohgiPartnershipMember
Line of Credit Facility, Covenant Terms, Ratio of Indebtedness to EBITDAX	4.5hrg_LineOfCreditFacilityCovenantTermsRatioOfIndebtednessToEbitdax / us-gaap_CreditFacilityAxis = hrg_CompassCreditAgreementMember / dei_LegalEntityAxis = hrg_ExcohgiPartnershipMember			4.5hrg_LineOfCreditFacilityCovenantTermsRatioOfIndebtednessToEbitdax / us-gaap_CreditFacilityAxis = hrg_CompassCreditAgreementMember / dei_LegalEntityAxis = hrg_ExcohgiPartnershipMember
Line of Credit Facility, Maximum Borrowing Capacity	340,000,000.0us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_CreditFacilityAxis = hrg_CompassCreditAgreementMember / dei_LegalEntityAxis = hrg_ExcohgiPartnershipMember			340,000,000.0us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_CreditFacilityAxis = hrg_CompassCreditAgreementMember / dei_LegalEntityAxis = hrg_ExcohgiPartnershipMember			400,000,000.0us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_CreditFacilityAxis = hrg_CompassCreditAgreementMember / dei_LegalEntityAxis = hrg_ExcohgiPartnershipMember
EXCO/HGI JV [Member] | EXO/HGI Partnership Credit Agreement, due February 14, 2018 [Member]
Debt Instrument [Line Items]
Long-term debt, interest rate	2.70%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / dei_LegalEntityAxis = hrg_ExcohgiPartnershipMember / us-gaap_LongtermDebtTypeAxis = hrg_ExohgiPartnershipCreditAgreementDueFebruary142018Member			2.70%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / dei_LegalEntityAxis = hrg_ExcohgiPartnershipMember / us-gaap_LongtermDebtTypeAxis = hrg_ExohgiPartnershipCreditAgreementDueFebruary142018Member			2.70%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / dei_LegalEntityAxis = hrg_ExcohgiPartnershipMember / us-gaap_LongtermDebtTypeAxis = hrg_ExohgiPartnershipCreditAgreementDueFebruary142018Member
Line of Credit Facility, Amount Outstanding							243,200,000us-gaap_LineOfCredit / dei_LegalEntityAxis = hrg_ExcohgiPartnershipMember / us-gaap_LongtermDebtTypeAxis = hrg_ExohgiPartnershipCreditAgreementDueFebruary142018Member
Compass Production Partners [Member] | Compass Credit Agreement [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Interest Rate at Period End	2.70%us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd / us-gaap_CreditFacilityAxis = hrg_CompassCreditAgreementMember / dei_LegalEntityAxis = hrg_CompassProductionPartnersMember			2.70%us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd / us-gaap_CreditFacilityAxis = hrg_CompassCreditAgreementMember / dei_LegalEntityAxis = hrg_CompassProductionPartnersMember
Compass Production Partners [Member] | Minimum [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Interest Rate Description				175
Compass Production Partners [Member] | Minimum [Member] | Alternate Base Rate (ABR) [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Interest Rate Description				75
Compass Production Partners [Member] | Maximum [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Interest Rate Description				275
Compass Production Partners [Member] | Maximum [Member] | Alternate Base Rate (ABR) [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Interest Rate Description				175
Compass Production Partners [Member] | EXO/HGI Partnership Credit Agreement, due February 14, 2018 [Member] | Compass Credit Agreement [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Fair Value of Amount Outstanding	327,000,000us-gaap_LineOfCreditFacilityFairValueOfAmountOutstanding / us-gaap_CreditFacilityAxis = hrg_CompassCreditAgreementMember / dei_LegalEntityAxis = hrg_CompassProductionPartnersMember / us-gaap_LongtermDebtTypeAxis = hrg_ExohgiPartnershipCreditAgreementDueFebruary142018Member			327,000,000us-gaap_LineOfCreditFacilityFairValueOfAmountOutstanding / us-gaap_CreditFacilityAxis = hrg_CompassCreditAgreementMember / dei_LegalEntityAxis = hrg_CompassProductionPartnersMember / us-gaap_LongtermDebtTypeAxis = hrg_ExohgiPartnershipCreditAgreementDueFebruary142018Member
Salus Capital Partners L L C [Member] | Minimum [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate				2.25%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / dei_LegalEntityAxis = hrg_SalusCapitalPartnersLLCMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember
Salus Capital Partners L L C [Member] | Maximum [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate				11.50%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / dei_LegalEntityAxis = hrg_SalusCapitalPartnersLLCMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember
Salus Capital Partners L L C [Member] | Secured Borrowings Related to non-qualifying participating loan interests [Member]
Debt Instrument [Line Items]
Long-term debt, interest rate	10.90%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / dei_LegalEntityAxis = hrg_SalusCapitalPartnersLLCMember / us-gaap_LongtermDebtTypeAxis = hrg_SecuredBorrowingsRelatedtononqualifyingparticipatingloaninterestsMember			10.90%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / dei_LegalEntityAxis = hrg_SalusCapitalPartnersLLCMember / us-gaap_LongtermDebtTypeAxis = hrg_SecuredBorrowingsRelatedtononqualifyingparticipatingloaninterestsMember			10.80%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / dei_LegalEntityAxis = hrg_SalusCapitalPartnersLLCMember / us-gaap_LongtermDebtTypeAxis = hrg_SecuredBorrowingsRelatedtononqualifyingparticipatingloaninterestsMember
Long-term Debt	102,200,000us-gaap_LongTermDebt / dei_LegalEntityAxis = hrg_SalusCapitalPartnersLLCMember / us-gaap_LongtermDebtTypeAxis = hrg_SecuredBorrowingsRelatedtononqualifyingparticipatingloaninterestsMember			102,200,000us-gaap_LongTermDebt / dei_LegalEntityAxis = hrg_SalusCapitalPartnersLLCMember / us-gaap_LongtermDebtTypeAxis = hrg_SecuredBorrowingsRelatedtononqualifyingparticipatingloaninterestsMember			106,800,000us-gaap_LongTermDebt / dei_LegalEntityAxis = hrg_SalusCapitalPartnersLLCMember / us-gaap_LongtermDebtTypeAxis = hrg_SecuredBorrowingsRelatedtononqualifyingparticipatingloaninterestsMember
Salus Capital Partners L L C [Member] | Collateralized Loan Obligations [Member]
Debt Instrument [Line Items]
Long-term Debt	578,500,000us-gaap_LongTermDebt / dei_LegalEntityAxis = hrg_SalusCapitalPartnersLLCMember / us-gaap_LongtermDebtTypeAxis = us-gaap_CollateralizedLoanObligationsMember			578,500,000us-gaap_LongTermDebt / dei_LegalEntityAxis = hrg_SalusCapitalPartnersLLCMember / us-gaap_LongtermDebtTypeAxis = us-gaap_CollateralizedLoanObligationsMember
Salus Capital Partners L L C [Member] | Asset based loan receivables [Member]
Debt Instrument [Line Items]
Long-term Debt	331,100,000us-gaap_LongTermDebt / dei_LegalEntityAxis = hrg_SalusCapitalPartnersLLCMember / us-gaap_LongtermDebtTypeAxis = hrg_AssetbasedloanreceivablesMember			331,100,000us-gaap_LongTermDebt / dei_LegalEntityAxis = hrg_SalusCapitalPartnersLLCMember / us-gaap_LongtermDebtTypeAxis = hrg_AssetbasedloanreceivablesMember
Salus Capital Partners L L C [Member] | Unaffiliated Long-Term Debt of Consolidated Variable-Interest-Entity [Member]
Debt Instrument [Line Items]
Long-term debt, interest rate	6.60%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / dei_LegalEntityAxis = hrg_SalusCapitalPartnersLLCMember / us-gaap_LongtermDebtTypeAxis = hrg_UnaffiliatedLongTermDebtofConsolidatedVariableInterestEntityMember			6.60%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / dei_LegalEntityAxis = hrg_SalusCapitalPartnersLLCMember / us-gaap_LongtermDebtTypeAxis = hrg_UnaffiliatedLongTermDebtofConsolidatedVariableInterestEntityMember			6.70%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / dei_LegalEntityAxis = hrg_SalusCapitalPartnersLLCMember / us-gaap_LongtermDebtTypeAxis = hrg_UnaffiliatedLongTermDebtofConsolidatedVariableInterestEntityMember
Long-term Debt	193,000,000us-gaap_LongTermDebt / dei_LegalEntityAxis = hrg_SalusCapitalPartnersLLCMember / us-gaap_LongtermDebtTypeAxis = hrg_UnaffiliatedLongTermDebtofConsolidatedVariableInterestEntityMember			193,000,000us-gaap_LongTermDebt / dei_LegalEntityAxis = hrg_SalusCapitalPartnersLLCMember / us-gaap_LongtermDebtTypeAxis = hrg_UnaffiliatedLongTermDebtofConsolidatedVariableInterestEntityMember			193,000,000us-gaap_LongTermDebt / dei_LegalEntityAxis = hrg_SalusCapitalPartnersLLCMember / us-gaap_LongtermDebtTypeAxis = hrg_UnaffiliatedLongTermDebtofConsolidatedVariableInterestEntityMember
Euro Member Countries, Euro | Euro Interbank Offered Rate (EURIBOR) [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate				3.00%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_CurrencyAxis = currency_EUR / us-gaap_VariableRateAxis = hrg_EuroInterbankOfferedRateEURIBORMember
Euro Member Countries, Euro | Spectrum Brands [Member] | Interest Rate Floor [Member]
Debt Instrument [Line Items]
Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate	0.75%us-gaap_LongTermDebtPercentageBearingVariableInterestRate / us-gaap_CurrencyAxis = currency_EUR / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_VariableRateAxis = us-gaap_InterestRateFloorMember	[1]		0.75%us-gaap_LongTermDebtPercentageBearingVariableInterestRate / us-gaap_CurrencyAxis = currency_EUR / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_VariableRateAxis = us-gaap_InterestRateFloorMember	[1]
Euro Member Countries, Euro | Spectrum Brands [Member] | Euro Term Loan, Due December 19, 2021 [Member] [Member]
Debt Instrument [Line Items]
Long-term debt, interest rate	3.80%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / us-gaap_CurrencyAxis = currency_EUR / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_EuroTermLoanDueDecember192021MemberMember	[1]		3.80%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / us-gaap_CurrencyAxis = currency_EUR / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_EuroTermLoanDueDecember192021MemberMember	[1]		0.00%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / us-gaap_CurrencyAxis = currency_EUR / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_EuroTermLoanDueDecember192021MemberMember	[1]
Debt Instrument, Unamortized Discount	400,000us-gaap_DebtInstrumentUnamortizedDiscount / us-gaap_CurrencyAxis = currency_EUR / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_EuroTermLoanDueDecember192021MemberMember			400,000us-gaap_DebtInstrumentUnamortizedDiscount / us-gaap_CurrencyAxis = currency_EUR / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_EuroTermLoanDueDecember192021MemberMember
Other assets	250,000,000us-gaap_OtherAssets / us-gaap_CurrencyAxis = currency_EUR / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_EuroTermLoanDueDecember192021MemberMember			250,000,000us-gaap_OtherAssets / us-gaap_CurrencyAxis = currency_EUR / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_EuroTermLoanDueDecember192021MemberMember
Long-term Debt	150,000,000us-gaap_LongTermDebt / us-gaap_CurrencyAxis = currency_EUR / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_EuroTermLoanDueDecember192021MemberMember			150,000,000us-gaap_LongTermDebt / us-gaap_CurrencyAxis = currency_EUR / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_EuroTermLoanDueDecember192021MemberMember			0us-gaap_LongTermDebt / us-gaap_CurrencyAxis = currency_EUR / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_EuroTermLoanDueDecember192021MemberMember	[1]
Debt Instrument Discount Rate	0.25%hrg_DebtInstrumentDiscountRate / us-gaap_CurrencyAxis = currency_EUR / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_EuroTermLoanDueDecember192021MemberMember			0.25%hrg_DebtInstrumentDiscountRate / us-gaap_CurrencyAxis = currency_EUR / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_EuroTermLoanDueDecember192021MemberMember
Euro Member Countries, Euro | Spectrum Brands [Member] | Euro Term Loan, Due September 4, 2019 [Member]
Debt Instrument [Line Items]
Long-term debt, interest rate	3.80%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / us-gaap_CurrencyAxis = currency_EUR / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_EuroTermLoanDueSeptember42019Member	[1]		3.80%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / us-gaap_CurrencyAxis = currency_EUR / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_EuroTermLoanDueSeptember42019Member	[1]		3.80%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / us-gaap_CurrencyAxis = currency_EUR / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_EuroTermLoanDueSeptember42019Member	[1]
Long-term Debt	242,500,000us-gaap_LongTermDebt / us-gaap_CurrencyAxis = currency_EUR / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_EuroTermLoanDueSeptember42019Member	[1]		242,500,000us-gaap_LongTermDebt / us-gaap_CurrencyAxis = currency_EUR / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_EuroTermLoanDueSeptember42019Member	[1]		283,300,000us-gaap_LongTermDebt / us-gaap_CurrencyAxis = currency_EUR / dei_LegalEntityAxis = hrg_SpectrumBrandsMember / us-gaap_LongtermDebtTypeAxis = hrg_EuroTermLoanDueSeptember42019Member	[1]
Subsequent Event [Member] | Compass Credit Agreement [Member]
Debt Instrument [Line Items]
Collateral, nominal value									80,000,000hrg_Collateralnominalvalue / us-gaap_LongtermDebtTypeAxis = hrg_CompassCreditAgreementMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember
Subsequent Event [Member] | HGI [Member] | 7.875% Senior Secured Notes, due July 15, 2019 [Member]
Debt Instrument [Line Items]
Long-term debt, interest rate										7.875%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / dei_LegalEntityAxis = us-gaap_ParentCompanyMember / us-gaap_LongtermDebtTypeAxis = hrg_SevenPointEightSevenFivePercentSeniorNotesMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember
Long-term Debt										$ 0us-gaap_LongTermDebt / dei_LegalEntityAxis = us-gaap_ParentCompanyMember / us-gaap_LongtermDebtTypeAxis = hrg_SevenPointEightSevenFivePercentSeniorNotesMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember
Subsequent Event [Member] | EXCO/HGI JV [Member] | Compass Credit Agreement [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Covenant Terms, Ratio of Indebtedness to EBITDAX											5.75hrg_LineOfCreditFacilityCovenantTermsRatioOfIndebtednessToEbitdax / us-gaap_CreditFacilityAxis = hrg_CompassCreditAgreementMember / dei_LegalEntityAxis = hrg_ExcohgiPartnershipMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember
Subsequent Event [Member] | EXCO/HGI JV [Member] | Maximum [Member] | Compass Credit Agreement [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Covenant Terms, Ratio of Indebtedness to EBITDAX											3.50hrg_LineOfCreditFacilityCovenantTermsRatioOfIndebtednessToEbitdax / us-gaap_CreditFacilityAxis = hrg_CompassCreditAgreementMember / dei_LegalEntityAxis = hrg_ExcohgiPartnershipMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember
[1] *Together, defined as the "Term Loan"

X

- Definition

The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented. If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD.

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Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

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