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Income Tax Matters, Income Tax Benefit (Provision) Table (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Federal income tax (expense) benefit |  |  |
Current federal tax (expense) benefit | $ 2.7 | $ 0.7 | $ (1.0)
Deferred federal income tax (expense) benefit | (47.8) | 93.2 | 6.4
Federal benefit (expense) applied to increase (decrease) Additional capital/Other comprehensive income | (3.2) | 33.5 | (41.6)
Federal income tax (expense) benefit | (48.3) | 127.4 | (36.2)
Foreign income tax (expense) benefit |  |  |
Current foreign tax (expense) benefit | 0.6 | 2.1 | 1.0
Deferred foreign income tax (expense) benefit | (1.2) | (1.2) | 0.3
Foreign benefit (expense) applied to increase (decrease) Additional capital/Other comprehensive income | (0.1) | 0.4 | (0.5)
Foreign income tax (expense) benefit | (0.7) | 1.3 | 0.8
State income tax (expense) benefit |  |  |
Current state tax (expense) benefit | (1.5) | 0.4 | (0.6)
Deferred state income tax (expense) benefit | (4.7) | 1.8 | 5.1
State benefit (expense) applied to increase (decrease) additional capital/Other comprehensive income | (0.3) | 4.3 | (4.4)
State income tax (expense) benefit | (6.5) | 6.5 | 0.1
Total income tax (expense) benefit |  |  |
Current income tax (expense) benefit | 1.8 | 3.2 | (0.6)
Deferred income tax (expense) benefit | (53.7) | 93.8 | 11.8
Benefit (expense) applied to increase (decrease) Additional capital/Other comprehensive income | (3.6) | 38.2 | (46.5)
Income tax (provision) benefit | $ (55.5) | $ 135.2 | $ (35.3)

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- Definition Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Current Tax Expense (or Benefit) -URI http://asc.fasb.org/extlink&oid=6509736 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 6.I.7) -URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32639-109319 + Details
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