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v3.20.4

Fair Value Measurements - Level 3 Inputs Reconciliation (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Balance at Beginning of Year | $ 1,044.2 | $ 897.4
Total Gains (Losses): |  |
Included in Consolidated Statement of Income | (9.3) | (6.2)
Included in Other Comprehensive Income (Loss) | (5.1) | 16.8
Purchases | 240.2 | 433.0
Settlements | (0.1) | (101.6)
Sales | (192.1) | (214.3)
Transfers into Level 3 | 9.0 | 19.1
Transfers out of Level 3 | (637.6) | 0.0
Balance at End of Year | 449.2 | 1,044.2
Corporate Bonds and Notes |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Balance at Beginning of Year | 409.1 | 382.6
Total Gains (Losses): |  |
Included in Consolidated Statement of Income | (9.0) | (6.8)
Included in Other Comprehensive Income (Loss) | 3.2 | 10.6
Purchases | 185.9 | 307.0
Settlements | 0.0 | (72.9)
Sales | (165.2) | (211.4)
Transfers into Level 3 | 9.0 | 0.0
Transfers out of Level 3 | 0.0 | 0.0
Balance at End of Year | 433.0 | 409.1
States and Political Subdivisions |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Balance at Beginning of Year | 0.0 |
Total Gains (Losses): |  |
Included in Consolidated Statement of Income | 0.0 |
Included in Other Comprehensive Income (Loss) | 0.1 |
Purchases | 0.6 |
Settlements | 0.0 |
Sales | 0.0 |
Transfers into Level 3 | 0.0 |
Transfers out of Level 3 | (0.7) |
Balance at End of Year | 0.0 | 0.0
Redeemable Preferred Stocks |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Balance at Beginning of Year | 6.7 | 0.0
Total Gains (Losses): |  |
Included in Consolidated Statement of Income | 0.0 | 0.0
Included in Other Comprehensive Income (Loss) | 0.5 | (0.1)
Purchases | 0.2 | 6.8
Settlements | 0.0 | 0.0
Sales | 0.0 | 0.0
Transfers into Level 3 | 0.0 | 0.0
Transfers out of Level 3 | (1.2) | 0.0
Balance at End of Year | 6.2 | 6.7
Collateralized Loan Obligations |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Balance at Beginning of Year | 618.2 | 504.9
Total Gains (Losses): |  |
Included in Consolidated Statement of Income | (0.3) | 0.6
Included in Other Comprehensive Income (Loss) | (9.3) | 5.3
Purchases | 53.5 | 119.2
Settlements | 0.0 | (28.0)
Sales | (26.4) | (2.9)
Transfers into Level 3 | 0.0 | 19.1
Transfers out of Level 3 | (635.7) | 0.0
Balance at End of Year | 0.0 | 618.2
Other Mortgage- and Asset-backed |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Balance at Beginning of Year | 10.2 | 9.9
Total Gains (Losses): |  |
Included in Consolidated Statement of Income | 0.0 | 0.0
Included in Other Comprehensive Income (Loss) | 0.4 | 1.0
Purchases | 0.0 | 0.0
Settlements | (0.1) | (0.7)
Sales | (0.5) | 0.0
Transfers into Level 3 | 0.0 | 0.0
Transfers out of Level 3 | 0.0 | 0.0
Balance at End of Year | $ 10.0 | $ 10.2

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- Definition Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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