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INVESTMENT IN SSAT (Tables) | 12 Months Ended
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Dec. 31, 2023
INVESTMENT IN SSAT |
Schedule of condensed income statement information for SSAT | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Years Ended December 31,
(In millions) |  | 2023 |  | 2022 |  | 2021
Company’s share of income from SSAT | ​ | $ | 2.2 | ​ | $ | 83.1 | ​ | $ | 56.3
Distributions received from SSAT | ​ | $ | — | ​ | $ | 47.3 | ​ | $ | 46.9
Unaudited condensed financial information for SSAT - Balance Sheet | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | As of December 31,
Condensed Balance Sheets (in millions) |  | 2023 |  | 2022
Current assets | ​ | $ | 304.0 | ​ | $ | 324.7
Non-current assets | ​ |  | 1,510.2 | ​ |  | 1,436.0
Total Assets | ​ | $ | 1,814.2 | ​ | $ | 1,760.7
​ | ​ | ​ | ​ | ​ | ​ | ​
Current liabilities | ​ | $ | 271.8 | ​ | $ | 342.1
Non-current liabilities | ​ |  | 1,255.3 | ​ |  | 1,199.5
Equity | ​ |  | 287.1 | ​ |  | 219.1
Total Liabilities and Equity | ​ | $ | 1,814.2 | ​ | $ | 1,760.7
​
Unaudited condensed financial information for SSAT - Statement of Operating Income and Net Income | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Years Ended December 31,
Condensed Statements of Operating Income and Net Income (in millions) |  | 2023 |  | 2022 |  | 2021
Operating revenue | ​ | $ | 1,025.1 | ​ | $ | 1,466.9 | ​ | $ | 1,297.5
Operating costs and expenses | ​ |  | 1,019.6 | ​ |  | 1,168.8 | ​ |  | 1,113.8
Operating income | ​ |  | 5.5 | ​ |  | 298.1 | ​ |  | 183.7
Net Income (1)(2) | ​ | $ | 11.9 | ​ | $ | 249.6 | ​ | $ | 161.7
(1) | Includes earnings from equity method investments held by SSAT less earnings allocated to non-controlling interests.
(2) | Includes net income or loss attributable to noncontrolling interests.
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