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FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables) | 9 Months Ended
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Sep. 30, 2025
FAIR VALUE OF FINANCIAL INSTRUMENTS |
Schedule of fair value measurement | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | Quoted Prices in | ​ | Significant | ​ | Significant | ​
​ | ​ | Total | ​ | ​ | ​ | Active Markets | ​ | Observable | ​ | Unobservable | ​
​ |  | Carrying Value |  | Total |  | (Level 1) |  | Inputs (Level 2) |  | Inputs (Level 3) | ​
(In millions) | ​ | September 30, 2025 | ​ | Fair Value Measurements at September 30, 2025 | ​
Cash and cash equivalents | ​ | $ | 92.7 | ​ | $ | 92.7 | ​ | $ | 92.7 | ​ | $ | — | ​ | $ | — | ​
CCF - Cash and cash equivalent | ​ | $ | 376.7 | ​ | $ | 376.7 | ​ | $ | 376.7 | ​ | $ | — | ​ | $ | — | ​
CCF - Investments | ​ | $ | 251.2 | ​ | $ | 252.2 | ​ | $ | 252.2 | ​ | $ | — | ​ | $ | — | ​
Fixed rate debt | ​ | $ | 370.9 | ​ | $ | 302.0 | ​ | $ | — | ​ | $ | 302.0 | ​ | $ | — | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(In millions) |  | December 31, 2024 | ​ | Fair Value Measurements at December 31, 2024 | ​
Cash and cash equivalents | ​ | $ | 266.8 | ​ | $ | 266.8 |  | $ | 266.8 | ​ | $ | — | ​ | $ | — | ​
CCF - Cash and cash equivalent | ​ | $ | 230.7 | ​ | $ | 230.7 | ​ | $ | 230.7 | ​ | $ | — | ​ | $ | — | ​
CCF - Investments | ​ | $ | 411.9 | ​ | $ | 412.5 | ​ | $ | 412.5 | ​ | $ | — | ​ | $ | — | ​
Fixed rate debt | ​ | $ | 400.9 | ​ | $ | 317.7 | ​ | $ | — | ​ | $ | 317.7 | ​ | $ | — | ​
​

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