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v3.5.0.2

Investments in Unconsolidated Affiliates (Symetra) (Details) - USD ($) $ / shares in Units, $ in Millions |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Feb. 01, 2016 | Sep. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2015 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015 | Dec. 31, 2011
Investments in unconsolidated affiliates |  |  |  |  |  |  |  |
Equity in earnings of unconsolidated affiliates, net of tax |  | $ 0.0 |  |  | $ 3.9 | $ 0.0 | $ 18.0 |
Unrealized gains (losses) on investments |  | 18.1 |  |  | (36.3) | (186.4) | (80.3) |
Revenues |  | 365.0 |  |  | 296.1 | 1,092.5 | 1,019.1 |
Total expenses |  | 345.0 |  |  | 383.0 | 1,066.1 | 1,108.1 |
Pre-tax (loss) income |  | 20.0 |  |  | (86.9) | 26.4 | (89.0) |
Net income |  | 88.6 |  |  | (74.9) | 470.4 | 5.5 |
Trading Securities Unrealized Holding Gain (Loss) on Investments after Tax |  | $ 15.4 |  |  | (28.4) | (164.2) | (57.7) |
Sales of common equity securities |  |  |  |  |  | $ 961.1 | 370.6 |
Common shares, par value per share (in dollars per share) |  | $ 1.00 |  | $ 1.00 |  | $ 1.00 |  |
Net realized and unrealized investment gains (losses) |  | $ 26.4 |  |  | (43.9) | $ 84.0 | (33.9) |
Symetra |  |  |  |  |  |  |  |
Investments in unconsolidated affiliates |  |  |  |  |  |  |  |
Unrealized gains (losses) on investments |  |  |  | $ 258.8 |  |  |  |
Dividends Payable, Amount Per Share | $ 32.00 |  |  |  |  |  |  |
Equity Method Investments Fair Value Per Share |  |  |  |  |  |  |  | $ 15
Term of amortization (in years) |  |  |  |  |  | 30 years |  |
Equity Method Investment, Difference Between Carrying Amount and Underlying Equity |  |  |  |  | 160.8 |  | 160.8 |
Trading Securities Unrealized Holding Gain (Loss) on Investments after Tax |  |  |  | $ 241.1 |  |  |  |
Sales of common equity securities | $ 658.0 |  |  |  |  |  |  |
Common shares, par value per share (in dollars per share) | $ 32.00 |  |  |  |  |  |  |
Net realized and unrealized investment gains (losses) |  |  | $ 4.7 |  |  |  |  |
Common Stock | Symetra |  |  |  |  |  |  |  |
Investments in unconsolidated affiliates |  |  |  |  |  |  |  |
Equity in earnings of unconsolidated affiliates, net of tax |  |  |  |  | 4.2 |  | 17.5 |
Proceeds from Equity Method Investment, Dividends or Distributions |  |  |  |  | 12.5 |  | 16.9 |
equity in earnings of unconsolidated affiliates | Symetra |  |  |  |  |  |  |  |
Investments in unconsolidated affiliates |  |  |  |  |  |  |  |
After tax amortization through equity in earnings |  |  |  |  | 0.6 |  | 2.0 |
Equity Method Investment, Difference Between Carrying Amount and Underlying Equity |  |  |  |  | 32.6 |  | 32.6 |
Net unrealized gains (losses) of unconsolidated affiliates | Symetra |  |  |  |  |  |  |  |
Investments in unconsolidated affiliates |  |  |  |  |  |  |  |
After tax amortization through equity in net unrealized losses |  |  |  |  | 2.6 |  | 8.1 |
Equity Method Investment, Difference Between Carrying Amount and Underlying Equity |  |  |  |  | 128.2 |  | 128.2 |
Amortization of common share basis difference | Common Stock | Symetra |  |  |  |  |  |  |  |
Investments in unconsolidated affiliates |  |  |  |  |  |  |  |
Equity in earnings of unconsolidated affiliates, net of tax |  |  |  |  | 0.7 |  | 2.1 |
Special Dividend [Member] | Common Stock | Symetra |  |  |  |  |  |  |  |
Investments in unconsolidated affiliates |  |  |  |  |  |  |  |
Proceeds from Equity Method Investment, Dividends or Distributions |  |  |  |  | $ 10.3 |  | $ 10.3 |

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