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Basis of Presentation, Significant Accounting Polices and Practicies and Recent Accounting Pronouncements (Details) | 6 Months Ended
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Mar. 31, 2015
Spectrum Brands [Member] |
Reserve Quantities [Line Items] |
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners | 41.50%us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners / dei_LegalEntityAxis = hrg_SpectrumBrandsMember
FGL [Member] |
Reserve Quantities [Line Items] |
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners | 19.30%us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners / dei_LegalEntityAxis = hrg_FglMember
Natural Gas [Member] |
Reserve Quantities [Line Items] |
Average Sales Prices | 3.88 us-gaap_AverageSalesPrices / us-gaap_AverageSalesPriceAndProductionCostsPerUnitOfProductionProductionTypeAxis = us-gaap_NaturalGasReservesMember
Oil [Member] |
Reserve Quantities [Line Items] |
Average Sales Prices | 82.72 us-gaap_AverageSalesPrices / us-gaap_AverageSalesPriceAndProductionCostsPerUnitOfProductionProductionTypeAxis = us-gaap_OilReservesMember
Natural Gas Liquids [Member] |
Reserve Quantities [Line Items] |
Average Sales Prices | 34.31 us-gaap_AverageSalesPrices / us-gaap_AverageSalesPriceAndProductionCostsPerUnitOfProductionProductionTypeAxis = us-gaap_NaturalGasLiquidsReservesMember

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- Definition The revenues derived from sales of oil or gas in each geographic area during the reporting period divided by the number of barrels of oil produced or thousands of cubic feet of gas produced. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1204 -Paragraph (b) -Subparagraph (1) + Details
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- Definition The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity. + References No definition available. + Details
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