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Debt (Tables) | 3 Months Ended
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Mar. 31, 2023
Debt Disclosure [Abstract] |
Long-term debt | The aggregate carrying values of our long-term debt obligations and their par values, if different, as of March 31, 2023 and December 31, 2022 are presented in table 3.1 below.
Long-term debt obligations
Table | 3.1 |  |  |  |
(In millions) |  | March 31, 2023 |  | December 31, 2022
5.25% Notes, due August 2028 (par value: $650 million) |  | $ | 642.1 |  |  | $ | 641.7 |
9% Debentures, due April 2063 (1) |  | 21.1 |  |  | 21.1 |
Long-term debt, carrying value |  | $ | 663.2 |  |  | $ | 662.8 |
(1)Convertible at any time prior to maturity at the holder’s option, at a conversion rate, which is subject to adjustment, of 77.9620 shares per $1,000 principal amount, representing a conversion price of approximately $12.83 per share. The payment of dividends by our holding company results in adjustments to the conversion rate, with such adjustments generally deferred until the end of the year.

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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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