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Schedule II - Condensed Statements of Income Parent Company (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Revenues: |  |  |
Net investment gains (losses) | $ (80.9) | $ (85.4) | $ 20.3
Total revenues | 6,003.5 | 7,605.2 | 9,220.8
Expenses: |  |  |
Income taxes | 58.9 | 60.4 | 392.2
Net income | 215.5 | 265.3 | 1,249.1
Less: Net (loss) income attributable to noncontrolling interests | (1.3) | 2.3 | 8.0
Net income attributable to the Company | 216.8 | 263.0 | 1,241.1
Parent Company |  |  |
Revenues: |  |  |
Dividends from subsidiaries | 411.3 | 732.7 | 621.6
Other income (loss) | 22.5 | (22.2) | 19.5
Net investment gains (losses) | 12.5 | (192.4) | 120.7
Total revenues | 446.3 | 518.1 | 761.8
Expenses: |  |  |
Other expenses | 97.8 | 55.1 | 83.7
Income before income taxes and equity in undistributed earnings of subsidiaries | 348.5 | 463.0 | 678.1
Income taxes | 74.8 | 86.0 | 162.1
Equity in undistributed (losses) earnings of subsidiaries | (58.2) | (111.7) | 733.1
Net income | 215.5 | 265.3 | 1,249.1
Less: Net (loss) income attributable to noncontrolling interests | (1.3) | 2.3 | 8.0
Net income attributable to the Company | $ 216.8 | $ 263.0 | $ 1,241.1

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