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INVESTMENT IN SSAT (Tables) | 6 Months Ended
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Jun. 30, 2025
INVESTMENT IN SSAT |
Schedule of condensed income statement information for SSAT |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended |  | Six Months Ended |
​ | ​ | June 30, |  | June 30, |
(In millions) | ​ | 2025 |  | 2024 |  | 2025 |  | 2024 |
Operating revenue | ​ | $ | 307.7 | ​ | $ | 273.9 | ​ | $ | 619.2 | ​ | $ | 544.2 | ​
Operating costs and expenses | ​ | ​ | (294.6) | ​ | ​ | (278.5) | ​ | ​ | (592.1) | ​ | ​ | (556.9) | ​
Operating income (loss) | ​ | ​ | 13.1 | ​ | ​ | (4.6) | ​ | ​ | 27.1 | ​ | ​ | (12.7) | ​
SSAT’s Net Income (Loss) (1) | ​ | $ | 18.7 | ​ | $ | 2.1 | ​ | $ | 36.4 | ​ | $ | (1.7) | ​
Company’s Share of SSAT’s Net Income (Loss) (2) | ​ | $ | 7.3 | ​ | $ | 1.2 | ​ | $ | 13.9 | ​ | $ | 1.6 | ​
(1) | Includes earnings and losses from equity method investment held by SSAT less earnings and losses allocated to non-controlling interests.
(2) | The Company records its share of net income (loss) from SSAT in costs and expenses in the Condensed Consolidated Statement of Income and Comprehensive Income due to the nature of SSAT’s operations.

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- Definition Tabular disclosure of equity method investments including, but not limited to, name of each investee or group of investments, percentage ownership, difference between recorded amount of an investment and the value of the underlying equity in the net assets, and summarized financial information. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481687/323-10-50-3 + Details
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