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v3.5.0.2

Investment Securities (Significant Unobservable Inputs) (Details) $ in Millions | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2016 USD ($) Investment | Sep. 30, 2015 USD ($) | Sep. 30, 2016 USD ($) Investment | Sep. 30, 2015 USD ($) | Dec. 31, 2015 USD ($) input Investment
Quantitative information for Level 3 Fair Value Measurements Assets |  |  |  |  |
Equity in earnings of unconsolidated affiliates, net of tax | $ 0.0 | $ 3.9 | $ 0.0 | $ 18.0 |
Number of Investments with Significant Unobseravble Inputs | Investment | 1 |  | 1 |  | 1
NR | Preferred Stock | Par Value [Member] |  |  |  |  |
Quantitative information for Level 3 Fair Value Measurements Assets |  |  |  |  |
Assets, Fair Value Disclosure |  |  |  |  | $ 70.0
NR | Preferred Stock | Issuer's intent to call [Member] |  |  |  |  |
Quantitative information for Level 3 Fair Value Measurements Assets |  |  |  |  |
Fair Value Measurements, Valuation Techniques |  |  |  |  | 70.0
NR | Convertible Preferred Stock [Member] | Multiple of EBITA [Member] |  |  |  |  |
Quantitative information for Level 3 Fair Value Measurements Assets |  |  |  |  |
Unobservable Inputs | input |  |  |  |  | 0
Fair Value Measurements, Valuation Techniques |  |  |  |  | 6.0
NR | Convertible Preferred Stock [Member] | Recent transaction [Member] |  |  |  |  |
Quantitative information for Level 3 Fair Value Measurements Assets |  |  |  |  |
Assets, Fair Value Disclosure |  |  |  |  | $ 5.7
NR | Seller Priority Surplus Note [Member] | Discounted cash flows |  |  |  |  |
Quantitative information for Level 3 Fair Value Measurements Assets |  |  |  |  |
Assets, Fair Value Disclosure | $ 49.0 |  | $ 49.0 |  | $ 38.0
Timing of interest payments |  |  | 5 years |  | 5 years
Timing of principal payments |  |  | 10 years |  | 10 years
Fair Value Measurements, Valuation Techniques |  |  | 0.095 |  | 0.13
NR | Pari Passu Surplus Note [Member] | Discounted cash flows |  |  |  |  |
Quantitative information for Level 3 Fair Value Measurements Assets |  |  |  |  |
Assets, Fair Value Disclosure | 22.5 |  | $ 22.5 |  | $ 13.5
Timing of interest payments |  |  | 5 years |  | 5 years
Timing of principal payments |  |  | 15 years |  | 15 years
Fair Value Measurements, Valuation Techniques |  |  | 0.158 |  | 0.224
AAA | Mortgage-backed and asset-backed securities | Broker Pricing [Member] |  |  |  |  |
Quantitative information for Level 3 Fair Value Measurements Assets |  |  |  |  |
Assets, Fair Value Disclosure | 36.0 |  | $ 36.0 |  |
Standard & Poor's, AA+ Rating [Member] | Residential Mortgage Backed Securities | Discounted cash flows |  |  |  |  |
Quantitative information for Level 3 Fair Value Measurements Assets |  |  |  |  |
Conditional Prepayment Rate |  |  | 1.50% |  |
MSA [Member] | NR | Preferred Stock | Discounted cash flows |  |  |  |  |
Quantitative information for Level 3 Fair Value Measurements Assets |  |  |  |  |
Assets, Fair Value Disclosure | 71.6 |  | $ 71.6 |  |
Fair Value Measurements, Valuation Techniques |  |  | 0.06245 |  |
PassportCard [Member] | NR | Private equity funds | Recent transaction [Member] |  |  |  |  |
Quantitative information for Level 3 Fair Value Measurements Assets |  |  |  |  |
Assets, Fair Value Disclosure | 21.0 |  | $ 21.0 |  | $ 21.0
PassportCard [Member] | NR | Private equity funds | Average Share Price [Member] |  |  |  |  |
Quantitative information for Level 3 Fair Value Measurements Assets |  |  |  |  |
Fair Value Measurements, Valuation Techniques |  |  | 1 |  | 1.00
Compare.com [Member] | NR | Private equity funds | Recent transaction [Member] |  |  |  |  |
Quantitative information for Level 3 Fair Value Measurements Assets |  |  |  |  |
Assets, Fair Value Disclosure | 33.8 |  | $ 33.8 |  |
Compare.com [Member] | NR | Private equity funds | Average Share Price [Member] |  |  |  |  |
Quantitative information for Level 3 Fair Value Measurements Assets |  |  |  |  |
Fair Value Measurements, Valuation Techniques |  |  | 1.03 |  |
Compare.com [Member] | NR | Private equity funds | Recent Transaction Two [Member] |  |  |  |  |
Quantitative information for Level 3 Fair Value Measurements Assets |  |  |  |  |
Assets, Fair Value Disclosure |  |  |  |  | $ 33.8
Fair Value Measurements, Valuation Techniques |  |  |  |  | 1.03
OneTitle [Member] | NR | Private equity funds | Recent transaction [Member] |  |  |  |  |
Quantitative information for Level 3 Fair Value Measurements Assets |  |  |  |  |
Assets, Fair Value Disclosure | 3.2 |  | $ 3.2 |  |
OneTitle [Member] | NR | Private equity funds | Average Share Price [Member] |  |  |  |  |
Quantitative information for Level 3 Fair Value Measurements Assets |  |  |  |  |
Fair Value Measurements, Valuation Techniques |  |  | 2.521 |  |
Galvanic [Member] | NR | Convertible Preferred Stock [Member] | Multiple of EBITA [Member] |  |  |  |  |
Quantitative information for Level 3 Fair Value Measurements Assets |  |  |  |  |
Fair Value Measurements, Valuation Techniques |  |  | 6 |  |
Galvanic [Member] | NR | Convertible Preferred Stock [Member] | Recent transaction [Member] |  |  |  |  |
Quantitative information for Level 3 Fair Value Measurements Assets |  |  |  |  |
Assets, Fair Value Disclosure | 6.1 |  | $ 6.1 |  |
Captricity [Member] | NR | Convertible Preferred Stock [Member] | Recent transaction [Member] |  |  |  |  |
Quantitative information for Level 3 Fair Value Measurements Assets |  |  |  |  |
Assets, Fair Value Disclosure | $ 27.0 |  | $ 27.0 |  | $ 27.0
Fair Value Measurements, Valuation Techniques |  |  | 3.83 |  | 3.83
durchblicker.at [Member] | NR | Private equity funds |  |  |  |  |
Quantitative information for Level 3 Fair Value Measurements Assets |  |  |  |  |
Time Until Expiration of Security |  |  | 4 years |  | 4 years
Volatility Rate | 60.00% |  | 60.00% |  | 60.00%
Risk Free Rate | 1.15% |  | 1.15% |  | 1.15%
durchblicker.at [Member] | NR | Private equity funds | Option pricing method [Member] |  |  |  |  |
Quantitative information for Level 3 Fair Value Measurements Assets |  |  |  |  |
Assets, Fair Value Disclosure | $ 9.9 |  | $ 9.9 |  | $ 9.6
Standard & Poor's, B Rating [Member] |  |  |  |  |
Quantitative information for Level 3 Fair Value Measurements Assets |  |  |  |  |
Basis points |  |  | 2.50% |  |
Standard & Poor's, CCC Rating [Member] |  |  |  |  |
Quantitative information for Level 3 Fair Value Measurements Assets |  |  |  |  |
Basis points |  |  |  |  | 2.50%

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