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Income Tax Matters, Income Tax Benefit (Provision) Table (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Federal income tax (expense) benefit |  |  |
Current federal tax (expense) benefit | $ 5.7 | $ 11.9 | $ 3.1
Deferred federal income tax (expense) benefit | (19.6) | (34.7) | (82.0)
Federal benefit (expense) applied to increase (decrease) Additional capital/Other comprehensive income | 2.7 | (0.7) | (0.1)
Federal income tax (expense) benefit | (11.2) | (23.5) | (79.0)
Foreign income tax (expense) benefit |  |  |
Current foreign tax (expense) benefit | (1.1) | (1.9) | (0.8)
Deferred foreign income tax (expense) benefit | (0.3) | 0.1 | (1.0)
Foreign benefit (expense) applied to increase (decrease) Additional capital/Other comprehensive income | (0.1) | 0.0 | (0.1)
Foreign income tax (expense) benefit | (1.5) | (1.8) | (1.9)
State income tax (expense) benefit |  |  |
Current state tax (expense) benefit | (1.8) | (1.5) | (1.0)
Deferred state income tax (expense) benefit | (4.5) | (1.4) | (5.7)
State benefit (expense) applied to increase (decrease) additional capital/Other comprehensive income | 0.6 | (0.1) | 0.0
State income tax (expense) benefit | (5.7) | (3.0) | (6.7)
Total income tax (expense) benefit |  |  |
Current income tax (expense) benefit | 2.8 | 8.5 | 1.3
Deferred income tax (expense) benefit | (24.4) | (36.0) | (88.7)
Benefit (expense) applied to increase (decrease) Additional capital/Other comprehensive income | 3.2 | (0.8) | (0.2)
Income tax provision | $ (18.4) | $ (28.3) | $ (87.6)

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