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Fair Value of Financial Instruments - Schedule of Unobservable Inputs Used for Level Three Fair Value Measurements of Financial Instruments on Recurring Basis (Detail) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2014 | Sep. 30, 2013
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value |  | $ 763.0 |  | $ 771.5 |  | $ 302.1 | $ 471.3
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings |  | 48.4 |  | 15.8 |  | 30.0 |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Other Comprehensive Income (Loss) |  | 0.0 |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases |  | 0.0 |  | 444.2 |  | 150.6 |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Sales |  | 0.0 |  | 0.0 |  | 0.0 |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements |  | 56.9 |  | (9.4) |  | 349.8 |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Transfers, Net |  | 0.0 | [1] | 0.0 | [2] | 0.0 |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings |  | (1.4) |  | (10.5) |  | 3.3 |
Funds Withheld Receivable |  | 1,650.4 |  | 1,710.1 |  |  |
Assets, Fair Value Disclosure |  | 78.1 |  | 91.6 |  |  |
Liabilities |  |  |  |  |  |  |
Liabilities, Fair Value Disclosure |  | 763.0 |  | 771.5 |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) |  |  |  |  |  | 0.0 |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases |  | 36.2 |  | 30.4 |  | 41.3 |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales |  | 48.0 |  | 14.1 |  | 0.7 |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements |  | 5.5 |  | 50.0 |  | 13.5 |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net |  | 5.2 | [1] | 19.1 | [2] | 0.0 |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value |  | 78.1 |  | 91.6 |  | 116.7 | 86.3
Funds Withheld Receivables [Member] |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings |  |  |  | (0.5) |  | 1.5 |
Liabilities |  |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases |  |  |  | 30.4 |  | 23.5 |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales |  |  |  | 14.1 |  | 0.7 |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value |  |  |  | 74.7 |  | 58.9 | 34.6
Funds withheld for reinsurance liability [Member] |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings |  | (3.6) |  |  |  |  |
Liabilities |  |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) |  | 0.0 |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases |  | 36.2 |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales |  | 34.4 |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements |  | 0.0 |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net | [1] | 5.2 |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value |  | 78.1 |  | 74.7 |  |  |
Corporate Debt Securities [Member] |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings |  | (0.5) |  | (2.2) |  | 0.0 |
Liabilities |  |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) |  |  |  |  |  | 0.0 |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases |  | 0.0 |  |  |  | 16.3 |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales |  | 13.6 |  |  |  | 0.0 |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements |  | 0.0 |  |  |  | 0.0 |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net |  |  |  |  |  | 0.0 |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value |  |  |  | 14.1 |  | 16.3 | 0.0
Other invested assets |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings |  | 2.7 |  | (16.3) |  |  |
Liabilities |  |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) |  | 0.0 |  | 0.0 |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases |  | 0.0 |  | 0.0 |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales |  | 0.0 |  | 0.0 |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements |  | 5.5 |  | 0.0 |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net |  | 0.0 | [1] | 19.1 | [2] |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value |  | 0.0 |  | 2.8 |  | 0.0 |
Fair Value, Measurements, Recurring |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Funds Withheld Receivable |  | 1,535.1 |  | 1,638.1 |  |  |
Fair Value, Measurements, Recurring | Corporate Debt Securities [Member] |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Available-for-sale Securities |  | $ 0.0 |  | 14.1 |  |  |
Contingent Purchase Price Reduction Receivable [Member] |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings |  |  |  | 8.5 |  | 0.5 |
Liabilities |  |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) |  |  |  |  |  | 0.0 |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases |  |  |  |  |  | 0.0 |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales |  |  |  |  |  | 0.0 |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements |  |  |  | $ 50.0 |  | 0.0 |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net |  |  |  |  |  | 0.0 |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value |  |  |  |  |  | 41.5 | $ 41.0
Minimum [Member] | FIA embedded derivatives, included in contractholder funds |  |  |  |  |  |  |
Liabilities |  |  |  |  |  |  |
Market value of option |  | 0.00% |  | 0.00% |  |  |
Maximum | FIA embedded derivatives, included in contractholder funds |  |  |  |  |  |  |
Liabilities |  |  |  |  |  |  |
Market value of option |  | 27.00% |  | 32.00% |  |  |
Weighted average | Other invested assets |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Probability of collection |  | 0.00% |  | 50.00% |  |  |
Fair Value Inputs, Discount Rate |  | 0.00% |  | 10.00% |  |  |
Weighted average | FIA embedded derivatives, included in contractholder funds |  |  |  |  |  |  |
Liabilities |  |  |  |  |  |  |
Market value of option |  | 2.00% |  | 1.00% |  |  |
SWAP rates |  | 1.00% |  | 2.00% |  |  |
Mortality multiplier |  | 80.00% |  | 80.00% |  |  |
Non-performance spread |  | 0.25% |  | 0.25% |  |  |
Broker Quoted [Member] | Funds withheld for reinsurance liability [Member] |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Valuation Technique |  | Broker-quoted |  |  |  |  |
Broker Quoted [Member] | Corporate Debt Securities [Member] |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Valuation Technique |  | Broker-quoted |  |  |  |  |
Broker Quoted [Member] | Minimum [Member] | Corporate Debt Securities [Member] |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Offered quotes |  | 0.00% |  | 0.00% |  |  |
Broker Quoted [Member] | Minimum [Member] | Funds withheld for reinsurance liability [Member] |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Fair Value Inputs, Discount Rate |  | 97.00% |  | 99.00% |  |  |
Broker Quoted [Member] | Maximum | Corporate Debt Securities [Member] |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Offered quotes |  | 0.00% |  | 0.00% |  |  |
Broker Quoted [Member] | Maximum | Funds withheld for reinsurance liability [Member] |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Fair Value Inputs, Discount Rate |  | 100.00% |  | 103.00% |  |  |
Broker Quoted [Member] | Weighted average | Corporate Debt Securities [Member] |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Offered quotes |  | 0.00% |  | 83.00% |  |  |
Broker Quoted [Member] | Weighted average | Funds withheld for reinsurance liability [Member] |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Fair Value Inputs, Discount Rate |  | 100.00% |  | 101.00% |  |  |
Discounted Cash Flow [Member] | Funds withheld for reinsurance liability [Member] |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Valuation Technique |  | Loan Recovery Value |  |  |  |  |
Discounted Cash Flow [Member] | Other invested assets |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Valuation Technique |  | Discounted Cash Flow |  |  |  |  |
Discounted Cash Flow [Member] | FIA embedded derivatives, included in contractholder funds |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Valuation Technique |  | Discounted cash flow |  |  |  |  |
Discounted Cash Flow [Member] | Minimum [Member] | FIA embedded derivatives, included in contractholder funds |  |  |  |  |  |  |
Liabilities |  |  |  |  |  |  |
Surrender rates |  | 0.50% |  | 0.50% |  |  |
Discounted Cash Flow [Member] | Maximum | FIA embedded derivatives, included in contractholder funds |  |  |  |  |  |  |
Liabilities |  |  |  |  |  |  |
Surrender rates |  | 75.00% |  | 75.00% |  |  |
Discounted Cash Flow [Member] | Weighted average | FIA embedded derivatives, included in contractholder funds |  |  |  |  |  |  |
Liabilities |  |  |  |  |  |  |
Surrender rates |  | 10.00% |  | 13.00% |  |  |
Matrix Pricing [Member] | Funds withheld for reinsurance liability [Member] |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Valuation Technique |  | Matrix pricing |  |  |  |  |
Matrix Pricing [Member] | Minimum [Member] | Funds withheld for reinsurance liability [Member] |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Fair Value Inputs, Discount Rate |  | 98.00% |  | 100.00% |  |  |
Matrix Pricing [Member] | Maximum | Funds withheld for reinsurance liability [Member] |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Fair Value Inputs, Discount Rate |  | 122.00% |  | 122.00% |  |  |
Matrix Pricing [Member] | Weighted average | Funds withheld for reinsurance liability [Member] |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Fair Value Inputs, Discount Rate |  | 109.00% |  | 112.00% |  |  |
Cost Approach Valuation Technique [Member] | Funds withheld for reinsurance liability [Member] |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Valuation Technique |  | Loan Recovery Value |  |  |  |  |
Cost Approach Valuation Technique [Member] | Minimum [Member] | Loan Participations and Assignments [Member] |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Fair Value Inputs, Discount Rate |  | 52.00% |  |  |  |  |
Cost Approach Valuation Technique [Member] | Minimum [Member] | Funds withheld for reinsurance liability [Member] |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Fair Value Inputs, Discount Rate |  | 56.00% |  | 6.00% |  |  |
Cost Approach Valuation Technique [Member] | Maximum | Loan Participations and Assignments [Member] |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Fair Value Inputs, Discount Rate |  | 100.00% |  |  |  |  |
Cost Approach Valuation Technique [Member] | Maximum | Funds withheld for reinsurance liability [Member] |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Fair Value Inputs, Discount Rate |  | 100.00% |  | 12.00% |  |  |
Cost Approach Valuation Technique [Member] | Weighted average | Loan Participations and Assignments [Member] |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Fair Value Inputs, Discount Rate |  | 71.00% |  | 100.00% |  |  |
Cost Approach Valuation Technique [Member] | Weighted average | Funds withheld for reinsurance liability [Member] |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Fair Value Inputs, Discount Rate |  | 82.00% |  | 8.00% |  |  |
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Funds Withheld Receivable |  | $ 78.1 |  | $ 74.7 |  |  |
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring | Corporate Debt Securities [Member] |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Available-for-sale Securities |  | 0.0 |  | 14.1 |  |  |
Fair Value, Inputs, Level 3 [Member] | FIA embedded derivatives, included in contractholder funds | Fair Value, Measurements, Recurring |  |  |  |  |  |  |
Liabilities |  |  |  |  |  |  |
Derivative Liability |  | 131.2 |  | 142.3 |  |  |
Fair Value, Inputs, Level 3 [Member] | Broker Quoted [Member] | Funds Withheld Receivables [Member] |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Assets, Fair Value Disclosure |  | 35.7 |  | 6.7 |  |  |
Fair Value, Inputs, Level 3 [Member] | Broker Quoted [Member] | Corporate Debt Securities [Member] |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Assets, Fair Value Disclosure |  | 0.0 |  | 14.1 |  |  |
Fair Value, Inputs, Level 3 [Member] | Discounted Cash Flow [Member] | Fair Value, Measurements, Recurring |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Funds Withheld Receivable |  | 5.4 |  | 19.2 |  |  |
Other invested assets |  | $ 0.0 |  | 2.8 |  |  |
Fair Value, Inputs, Level 3 [Member] | Discounted Cash Flow [Member] | Front Street Future Policyholder Benefits Reserve [Member] | Fair Value, Measurements, Recurring |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Valuation Technique |  | Discounted cash flow |  |  |  |  |
Liabilities |  |  |  |  |  |  |
Derivative Liability |  | $ 631.8 |  | 629.2 |  |  |
Fair Value, Inputs, Level 3 [Member] | Matrix Pricing [Member] | Funds Withheld Receivables [Member] |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Assets, Fair Value Disclosure |  | 35.2 |  | 39.1 |  |  |
Fair Value, Inputs, Level 3 [Member] | Cost Approach Valuation Technique [Member] | Funds Withheld Receivables [Member] |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Assets, Fair Value Disclosure |  | 1.8 |  | 9.7 |  |  |
Other invested assets | Fair Value, Measurements, Recurring |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Other invested assets |  | 0.0 |  | 2.8 |  |  |
Other invested assets | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring | Other invested assets |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Other invested assets |  | 0.0 |  |  |  |  |
Other invested assets | Fair Value, Inputs, Level 3 [Member] | Option Pricing [Member] | Fair Value, Measurements, Recurring | Other invested assets |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Other invested assets |  |  |  | 2.8 |  |  |
Front Street Future Policyholder Benefits Reserve [Member] |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value |  | 631.8 |  | 629.2 |  | 151.3 |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings |  | 59.5 |  | 24.3 |  | 7.0 |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases |  |  |  | 444.2 |  | 150.6 |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements |  | $ (56.9) |  | $ (9.4) |  | $ 6.3 |
Front Street Future Policyholder Benefits Reserve [Member] | Minimum [Member] |  |  |  |  |  |  |
Liabilities |  |  |  |  |  |  |
Non-performance spread |  |  |  | 0.16% |  |  |
Risk margin for uncertainty |  |  |  | 0.50% |  |  |
Front Street Future Policyholder Benefits Reserve [Member] | Maximum |  |  |  |  |  |  |
Liabilities |  |  |  |  |  |  |
Non-performance spread |  |  |  | 0.46% |  |  |
Risk margin for uncertainty |  |  |  | 1.00% |  |  |
Front Street Future Policyholder Benefits Reserve [Member] | Weighted average |  |  |  |  |  |  |
Liabilities |  |  |  |  |  |  |
Non-performance spread |  | 0.32% |  |  |  |  |
Risk margin for uncertainty |  | 0.50% |  |  |  |  |
[1] | (a) During Fiscal 2016, the net transfer to Level 3 was exclusively from Level 2. The transfers into Level 3 were related to changes in the primary pricing source and changes in the observability of external information used in determining the fair value.
[2] | (a) During Fiscal 2015, the net transfer to Level 3 was related to a loan receivable previously classified as a related party loan.

X
- Definition Fair value inputs market value of option. + References No definition available. + Details
Name: | hrg_FairValueInputsMarketValueOfOption
Namespace Prefix: | hrg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Fair Value Inputs Mortality Multiplier + References No definition available. + Details
Name: | hrg_FairValueInputsMortalityMultiplier
Namespace Prefix: | hrg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Fair Value Inputs Non Performance Spread + References No definition available. + Details
Name: | hrg_FairValueInputsNonPerformanceSpread
Namespace Prefix: | hrg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Fair Value Inputs Surrender Rates + References No definition available. + Details
Name: | hrg_FairValueInputsSurrenderRates
Namespace Prefix: | hrg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Offered quotes. + References No definition available. + Details
Name: | hrg_FairValueMeasurementsOfferedQuotes
Namespace Prefix: | hrg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Fair value measurements probability of collection. + References No definition available. + Details
Name: | hrg_FairValueMeasurementsProbabilityOfCollection
Namespace Prefix: | hrg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Fair value measurements swap rates. + References No definition available. + Details
Name: | hrg_FairValueMeasurementsSwapRates
Namespace Prefix: | hrg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Funds Withheld Receivable + References No definition available. + Details
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