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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2020
Income Tax Disclosure [Abstract] |
Schedule of Deferred Tax Assets and Liabilities | The tax effects of temporary differences that give rise to significant portions of the Company’s Net Deferred Income Tax Assets and Deferred Income Tax Liabilities at December 31, 2020 and 2019 were:
DOLLARS IN MILLIONS |  | 2020 |  | 2019
Deferred Income Tax Assets: |  |  |  |
Insurance Reserves |  | $ | 18.4 |  |  | $ | 16.2 |
Unearned Premium Reserves |  | 66.7 |  |  | 64.5 |
Tax Capitalization of Policy Acquisition Costs |  | 46.6 |  |  | 44.6 |
Payroll and Employee Benefit Accruals |  | 35.6 |  |  | 35.0 |
Net Operating Loss Carryforwards |  | 1.1 |  |  | 3.3 |
Other |  | 13.4 |  |  | 12.5 |
Total Deferred Income Tax Assets |  | 181.8 |  |  | 176.1 |
Deferred Income Tax Liabilities: |  |  |  |
Investments |  | 258.8 |  |  | 155.6 |
Deferred Policy Acquisition Costs |  | 123.7 |  |  | 112.9 |
Life VIF and P&C Customer Relationships |  | 5.0 |  |  | 5.3 |
Goodwill and Other Intangible Assets Acquired |  | 35.5 |  |  | 39.3 |
Depreciable Assets |  | 42.1 |  |  | 37.6 |
Other |  | 2.4 |  |  | 3.6 |
Total Deferred Income Tax Liabilities |  | 467.5 |  |  | 354.3 |
Net Deferred Income Tax Liabilities |  | $ | 285.7 |  |  | $ | 178.2 |
Summary of Operating Loss Carryforwards | The expiration of federal net operating loss (“NOL”) carryforwards and their related deferred income tax assets at December 31, 2020 is presented below by year of expiration.
DOLLARS IN MILLIONS |  | NOL Carry-forwards |  | Deferred Tax Asset
Expiring in: |  |  |  |
2027 |  | $ | 0.8 |  |  | $ | 0.2 |
2028 |  | 4.4 |  |  | 0.9 |
Total All Years |  | $ | 5.2 |  |  | $ | 1.1 |
Reconciliation of Unrecognized Tax Benefits | A reconciliation of the beginning and ending amount of Unrecognized Tax Benefits for the years ended December 31, 2020, 2019 and 2018 is presented below.
DOLLARS IN MILLIONS |  | 2020 |  | 2019 |  | 2018
Liabilities for Unrecognized Tax Benefits at Beginning of Year |  | $ | — |  |  | $ | 4.4 |  |  | $ | 8.1 |
Additions for Tax Positions of Current Year |  | — |  |  | — |  |  | 0.7 |
Reductions for Tax Positions of Prior Years |  | — |  |  | (4.4) |  |  | (4.4) |
Liabilities for Unrecognized Tax Benefits at End of Year |  | $ | — |  |  | $ | — |  |  | $ | 4.4 |
Schedule of Components of Income Tax Expense (Benefit) | The components of Income Tax Expense from Continuing Operations for the years ended December 31, 2020, 2019 and 2018 were:
DOLLARS IN MILLIONS |  | 2020 |  | 2019 |  | 2018
Current Income Tax Benefit (Expense) |  | $ | (86.6) |  |  | $ | (66.4) |  |  | $ | 32.2 |
Deferred Income Tax Expense |  | (13.6) |  |  | (68.5) |  |  | (46.5) |
(Increase) Decrease Unrecognized Tax Benefits |  | — |  |  | 4.4 |  |  | 3.6 |
Income Tax Expense |  | $ | (100.2) |  |  | $ | (130.5) |  |  | $ | (10.7) |
Schedule of Effective Income Tax Rate Reconciliation | A reconciliation of the Statutory Federal Income Tax Expense and Rate to the Company’s Effective Income Tax Expense and Rate from Continuing Operations for the years ended December 31, 2020, 2019 and 2018 is presented below.
DOLLARS IN MILLIONS |  | 2020 |  | 2019 |  | 2018
Amount |  | Rate |  | Amount |  | Rate |  | Amount |  | Rate
Statutory Federal Income Tax Expense |  | $ | (107.1) |  |  | 21.0 | % |  | $ | (138.9) |  |  | 21.0 | % |  | $ | (41.8) |  |  | 21.0 | %
Tax-exempt Income and Dividends Received Deduction |  | 4.0 |  |  | (0.8) |  |  | 4.3 |  |  | (0.7) |  |  | 4.8 |  |  | (2.4) |
Untaxed Earnings on Company-Owned Life Insurance |  | 2.7 |  |  | (0.5) |  |  | 1.6 |  |  | (0.2) |  |  | 0.8 |  |  | (0.4) |
Investment tax credits |  | 3.2 |  |  | (0.6) |  |  | — |  |  | — |  |  | — |  |  | — |
Stock-Based Compensation |  | 2.2 |  |  | (0.5) |  |  | 4.4 |  |  | (0.7) |  |  | 1.4 |  |  | (0.7) |
Nondeductible Executive Compensation |  | (2.7) |  |  | 0.5 |  |  | (2.5) |  |  | 0.4 |  |  | (1.4) |  |  | 0.7 |
Tax Reform |  | — |  |  | — |  |  | — |  |  | — |  |  | 26.4 |  |  | (13.3) |
Other, Net |  | (2.5) |  |  | 0.5 |  |  | 0.6 |  |  | (0.1) |  |  | (0.9) |  |  | 0.5 |
Effective Income Tax Benefit (Expense) from Continuing Operations |  | $ | (100.2) |  |  | 19.6 | % |  | $ | (130.5) |  |  | 19.7 | % |  | $ | (10.7) |  |  | 5.4 | %
Comprehensive Income Tax Benefit and Expenses | Comprehensive Income Tax (Expense) Benefit included in the Consolidated Financial Statements for the years ended December 31, 2020, 2019 and 2018 was:
DOLLARS IN MILLIONS |  | 2020 |  | 2019 |  | 2018
Income Tax Benefit (Expense): |  |  |  |  |  |
Continuing Operations |  | $ | (100.2) |  |  | $ | (130.5) |  |  | $ | (10.7) |
Discontinued Operations |  | — |  |  | — |  |  | (0.6) |
Unrealized Depreciation (Appreciation) on Securities |  | (78.3) |  |  | (85.2) |  |  | 49.6 |
Foreign Currency Translation Adjustments on Investments |  | — |  |  | — |  |  | (0.1) |
Tax Effects from Postretirement Benefit Plans |  | (15.3) |  |  | 1.7 |  |  | 1.5 |
Tax Effects from Cash Flow Hedge |  | — |  |  | (0.1) |  |  | (0.3) |
Comprehensive Income Tax (Expense) Benefit |  | $ | (193.8) |  |  | $ | (214.1) |  |  | $ | 39.4 |

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