Name:	dei_DocumentPeriodEndDate
Namespace Prefix:	dei_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

Equity Securities Holdings Exposure Amount of Single Issuer Greater than Stated Percentage of Total Investments

No definition available.

Name:	hrg_EquitySecuritiesHoldingsExposureAmountofSingleIssuerGreaterthanStatedPercentageofTotalInvestments
Namespace Prefix:	hrg_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Industry Holdings, Number of Top Investments

No definition available.

Name:	hrg_IndustryHoldingsNumberOfTopInvestments
Namespace Prefix:	hrg_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Investment Securities Held by Subsidiaries Subject to Specialized Industry Accounting Principles at Fair Value

No definition available.

Name:	hrg_InvestmentSecuritiesHeldbySubsidiariesSubjecttoSpecializedIndustryAccountingPrinciplesatFairValue
Namespace Prefix:	hrg_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Number of Investment Holdings in Industry

No definition available.

Name:	hrg_NumberOfInvestmentHoldingsInIndustry
Namespace Prefix:	hrg_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Percentage of investments fair value in relation to invested assets portfolio.

No definition available.

Name:	hrg_PercentageOfInvestmentsFairValueInRelationToInvestedAssetsPortfolio
Namespace Prefix:	hrg_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Percentage Of Net Sales Due To Customers

No definition available.

Name:	hrg_PercentageOfNetSalesDueToCustomers
Namespace Prefix:	hrg_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible.

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 210.5-02.4)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5074-111524

Name:	us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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.

No definition available.

Name:	us-gaap_ConcentrationRiskLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Name:	hrg_ConcentrationOfCreditRiskAxis=us-gaap_CreditConcentrationRiskMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_FairValueConcentrationOfRiskDisclosureItemsAxis=us-gaap_FairValueConcentrationOfRiskAllFinancialInstrumentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_EquitySecuritiesByIndustryAxis=us-gaap_FinancialServicesSectorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_EquitySecuritiesByIndustryAxis=hrg_EnergyMiningandMetalsSectorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_BalanceSheetLocationAxis=hrg_FundsWithheldReceivablesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: