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Significant Accounting Policies and Practices and Recent Accounting Pronouncements - Benefit Expense and Other Changes in Policy Reserves (Details) | 12 Months Ended
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Sep. 30, 2014
Minimum |
Schedule of Benefits and Other Changes in Policy Reserves [Line Items] |
Interest crediting rate, policyholder liabilities | 0.00%
Maximum |
Schedule of Benefits and Other Changes in Policy Reserves [Line Items] |
Interest crediting rate, policyholder liabilities | 6.00%
Indexed Universal Life [Member] | Minimum |
Schedule of Benefits and Other Changes in Policy Reserves [Line Items] |
Interest crediting rate, policyholder liabilities | 0.00%
Indexed Universal Life [Member] | Maximum |
Schedule of Benefits and Other Changes in Policy Reserves [Line Items] |
Interest crediting rate, policyholder liabilities | 6.00%

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- Definition Interest crediting rate, policyholder liabilities + References No definition available. + Details
Name: | hrg_Interestcreditingratepolicyholderliabilities
Namespace Prefix: | hrg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | hrg_ScheduleofBenefitsandOtherChangesinPolicyReservesLineItems
Namespace Prefix: | hrg_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration