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Schedule 2 - Parent Company Financial Statements - Balance Sheets (Details) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Jul. 05, 2019 | Dec. 31, 2018
--- | --- | --- | --- | --- | ---
ASSETS |  |  |  |  |
Amortized cost of fixed maturities | $ 7,358.2 | $ 6,692.7 |  |  |
Fixed Maturities at Fair Value (Amortized Cost: 2021 – $0.3; 2020 - $91.8) | 7,986.9 | 7,605.9 |  |  |
Cost of equity securities | 618.7 | 684.1 |  |  |
Equity Securities at Fair Value (Cost: 2021 - $106.8; 2020 - $73.4) | 830.6 | 858.5 |  |  |
Equity Securities at Modified Cost | 32.3 | 40.1 |  |  |
Cash | 148.2 | 206.1 |  |  |
Other Receivables | 207.3 | 222.4 |  |  |
Other Assets | 592.2 | 575.9 |  |  |
Operating Lease, Right of Use Asset | 64.4 | 68.6 |  |  |
Total Assets | 14,916.5 | 14,341.9 |  |  |
LIABILITIES AND SHAREHOLDERS’ EQUITY |  |  |  |  |
Long-term Debt, Current and Non-current, at Amortized Cost (Fair Value: 2021 - $1,152.1; 2020 - $1,247.8) | 1,121.9 | 1,172.8 |  |  |
Long-term Debt, Current and Non-current | 1,152.1 | 1,247.8 |  |  |
Deferred Income Tax Liabilities | 227.0 | 285.7 |  |  |
Operating Lease, Liability | 84.8 | 89.6 |  |  |
Accrued Expenses and Other Liabilities | 843.6 | 727.9 |  |  |
Total Liabilities | 10,908.8 | 9,778.5 |  |  |
Shareholders’ Equity: |  |  |  |  |
Common Stock | 6.4 | 6.5 |  |  |
Additional Paid-in Capital | 1,790.7 | 1,805.2 |  |  |
Retained Earnings | 1,762.5 | 2,071.2 |  |  |
Accumulated Other Comprehensive Income | 448.1 | 680.5 |  |  |
Total Shareholders’ Equity | 4,007.7 | 4,563.4 |  |  |
Total Liabilities and Shareholders’ Equity | 14,916.5 | 14,341.9 |  |  |
Term Loan due July 5, 2023 (Fair Value: 2021 – $—; 2020 – $50.0) | Secured Debt |  |  |  |  |
LIABILITIES AND SHAREHOLDERS’ EQUITY |  |  |  |  |
Long-term Debt, Current and Non-current, at Amortized Cost (Fair Value: 2021 - $1,152.1; 2020 - $1,247.8) | 0.0 | 49.9 |  | $ 49.9 |
Senior Notes Payable, 4.35% due 2025 (Fair Value: 2021 – $481.4; 2020 – $499.5) | Senior Notes |  |  |  |  |
LIABILITIES AND SHAREHOLDERS’ EQUITY |  |  |  |  |
Long-term Debt, Current and Non-current, at Amortized Cost (Fair Value: 2021 - $1,152.1; 2020 - $1,247.8) | 449.0 | 448.8 |  |  |
Senior Notes, 2.400 Percent Due September 30, 2030 | Senior Notes |  |  |  |  |
LIABILITIES AND SHAREHOLDERS’ EQUITY |  |  |  |  |
Long-term Debt, Current and Non-current, at Amortized Cost (Fair Value: 2021 - $1,152.1; 2020 - $1,247.8) | 396.2 | 395.8 |  |  |
Parent Company |  |  |  |  |
ASSETS |  |  |  |  |
Investments in Subsidiaries | 4,729.1 | 4,896.0 |  |  |
Amortized cost of fixed maturities | 0.3 | 91.8 |  |  |
Fixed Maturities at Fair Value (Amortized Cost: 2021 – $0.3; 2020 - $91.8) | 0.4 | 99.8 |  |  |
Cost of equity securities | 106.8 | 73.4 |  |  |
Equity Securities at Fair Value (Cost: 2021 - $106.8; 2020 - $73.4) | 107.4 | 78.8 |  |  |
Short-term Investments at Cost which Approximates Fair Value | 96.9 | 508.2 |  |  |
Cash | 27.7 | 46.0 | $ 61.8 |  | $ 2.9
Other Receivables | 2.3 | 1.1 |  |  |
Other Assets | 18.9 | 29.2 |  |  |
Operating Lease, Right of Use Asset | 12.8 | 13.4 |  |  |
Total Assets | 4,995.5 | 5,672.5 |  |  |
LIABILITIES AND SHAREHOLDERS’ EQUITY |  |  |  |  |
Current Income Tax Liability | 18.5 | 41.5 |  |  |
Deferred Income Tax Liabilities | 46.5 | 38.9 |  |  |
Liabilities for Benefit Plans | 42.3 | 47.6 |  |  |
Operating Lease, Liability | 25.8 | 26.9 |  |  |
Accrued Expenses and Other Liabilities | 9.5 | 59.7 |  |  |
Total Liabilities | 987.8 | 1,109.1 |  |  |
Shareholders’ Equity: |  |  |  |  |
Common Stock | 6.4 | 6.5 |  |  |
Additional Paid-in Capital | 1,790.7 | 1,805.2 |  |  |
Retained Earnings | 1,762.5 | 2,071.2 |  |  |
Accumulated Other Comprehensive Income | 448.1 | 680.5 |  |  |
Total Shareholders’ Equity | 4,007.7 | 4,563.4 |  |  |
Total Liabilities and Shareholders’ Equity | 4,995.5 | 5,672.5 |  |  |
Parent Company | Term Loan due July 5, 2023 (Fair Value: 2021 – $—; 2020 – $50.0) |  |  |  |  |
LIABILITIES AND SHAREHOLDERS’ EQUITY |  |  |  |  |
Long-term Debt, Current and Non-current, at Amortized Cost (Fair Value: 2021 - $1,152.1; 2020 - $1,247.8) | 0.0 | 49.9 |  |  |
Parent Company | Term Loan due July 5, 2023 (Fair Value: 2021 – $—; 2020 – $50.0) | Secured Debt |  |  |  |  |
LIABILITIES AND SHAREHOLDERS’ EQUITY |  |  |  |  |
Long-term Debt, Current and Non-current | 0.0 | 50.0 |  |  |
Parent Company | Senior Notes Payable, 4.35% due 2025 (Fair Value: 2021 – $481.4; 2020 – $499.5) |  |  |  |  |
LIABILITIES AND SHAREHOLDERS’ EQUITY |  |  |  |  |
Long-term Debt, Current and Non-current, at Amortized Cost (Fair Value: 2021 - $1,152.1; 2020 - $1,247.8) | 449.0 | 448.8 |  |  |
Parent Company | Senior Notes Payable, 4.35% due 2025 (Fair Value: 2021 – $481.4; 2020 – $499.5) | Senior Notes |  |  |  |  |
LIABILITIES AND SHAREHOLDERS’ EQUITY |  |  |  |  |
Long-term Debt, Current and Non-current | 481.4 | 499.5 |  |  |
Parent Company | Senior Notes, 2.400 Percent Due September 30, 2030 |  |  |  |  |
LIABILITIES AND SHAREHOLDERS’ EQUITY |  |  |  |  |
Long-term Debt, Current and Non-current, at Amortized Cost (Fair Value: 2021 - $1,152.1; 2020 - $1,247.8) | 396.2 | 395.8 |  |  |
Parent Company | Senior Notes, 2.400 Percent Due September 30, 2030 | Senior Notes |  |  |  |  |
LIABILITIES AND SHAREHOLDERS’ EQUITY |  |  |  |  |
Long-term Debt, Current and Non-current | $ 387.8 | $ 405.6 |  |  |

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Data Type: | na
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