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Cash Surrender Value of Life Insurance Policies, Net (Tables) | 12 Months Ended
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Dec. 31, 2023
Cash Surrender Value of Life Insurance Policies, Net |
Schedule of life insurance policies, net of redemptions | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | Year Ended December 31,
​ | 2023 |  | 2022 |  | 2021
​ | (in millions)
Investment income from life insurance policies | $ | (97.5) | ​ | $ | (85.2) | ​ | $ | (84.6)
Interest expense on life insurance policy loans | ​ | 98.4 | ​ | ​ | 91.6 | ​ | ​ | 85.5
Life insurance policy cost of insurance | ​ | 16.9 | ​ | ​ | 15.7 | ​ | ​ | 14.4
Income from life insurance policy redemptions | ​ | (11.7) | ​ | ​ | (6.6) | ​ | ​ | (6.2)
Life insurance policy expense, net | $ | 6.1 | ​ | $ | 15.5 | ​ | $ | 9.1
​

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- Definition Tabular disclosure of income earned, redemptions and interest expense on borrowings on cash surrender values and cost of insurance on life insurance policies. + References No definition available. + Details
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