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DEBT (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2021
DEBT |
Schedule of debt | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, | ​ | December 31, | ​
(In millions) |  | 2021 |  | 2020 |
Private Placement Term Loans: | ​ | ​ | ​ | ​ | ​ | ​ | ​
3.66 %, payable through 2023 | ​ | $ | 18.2 | ​ | $ | 22.8 | ​
4.16 %, payable through 2027 | ​ |  | 31.4 | ​ |  | 34.0 | ​
3.37 %, payable through 2027 | ​ | ​ | 75.0 | ​ | ​ | 75.0 | ​
3.14 %, payable through 2031 | ​ | ​ | 151.2 | ​ | ​ | 169.6 | ​
4.31 %, payable through 2032 | ​ |  | 26.7 | ​ |  | 27.9 | ​
Title XI Debt: | ​ | ​ | ​ | ​ | ​ | ​ | ​
5.34 %, payable through 2028 | ​ |  | 15.4 | ​ |  | 17.6 | ​
5.27 %, payable through 2029 | ​ |  | 17.6 | ​ |  | 19.8 | ​
1.22 %, payable through 2043 | ​ | ​ | 178.0 | ​ | ​ | 182.0 | ​
1.35 %, payable through 2044 | ​ | ​ | 133.7 | ​ | ​ | 139.6 | ​
Revolving credit facility, maturity date of March 31, 2026 | ​ |  | — | ​ |  | 71.8 | ​
Total Debt | ​ |  | 647.2 | ​ |  | 760.1 | ​
Less: Current portion | ​ |  | (65.0) | ​ |  | (59.2) | ​
Total Long-term Debt | ​ | ​ | 582.2 | ​ | ​ | 700.9 | ​
Less: Deferred loan fees | ​ | ​ | (14.7) | ​ |  | (15.3) | ​
Total Long-term Debt, net of deferred loan fees | ​ | $ | 567.5 | ​ | $ | 685.6 | ​
Schedule of maturities of debt | ​
​ | ​ | ​ | ​
​ | ​ | As of
Year (in millions) |  | September 30, 2021
Remainder of 2021 | ​ | $ | 18.1
2022 | ​ |  | 65.0
2023 | ​ |  | 60.4
2024 | ​ |  | 51.7
2025 | ​ |  | 51.7
Thereafter | ​ |  | 400.3
Total Debt | ​ | $ | 647.2

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