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REPORTABLE SEGMENTS (Details) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2024 USD ($) | Mar. 31, 2024 USD ($) | Jun. 30, 2023 USD ($) | Mar. 31, 2023 USD ($) | Jun. 30, 2024 USD ($) segment | Jun. 30, 2023 USD ($) | Dec. 31, 2023 USD ($)
Segment results |  |  |  |  |  |  |
Number of segments | segment |  |  |  |  | 2 |  |
Total Operating Revenue | $ 847.4 |  | $ 773.4 |  | $ 1,569.5 | $ 1,478.2 |
Total Operating Income | 124.6 |  | 96.7 |  | 161.5 | 135.4 |
Interest income | 18.8 |  | 8.7 |  | 27.6 | 16.9 |
Interest expense | (2.1) |  | (2.9) |  | (4.3) | (7.4) |
Other income (expense), net | 1.8 |  | 1.8 |  | 3.6 | 3.6 |
Income before Taxes | 143.1 |  | 104.3 |  | 188.4 | 148.5 |
Income taxes | (29.9) |  | (23.5) |  | (39.1) | (33.7) |
Net Income | 113.2 | $ 36.1 | 80.8 | $ 34.0 | 149.3 | 114.8 |
Deferred dry-docking amortization |  |  |  |  | 13.7 | 12.4 |
Total Assets | 4,273.9 |  |  |  | 4,273.9 |  | $ 4,294.6
Income (Loss) from SSAT | 1.2 |  | (1.4) |  | 1.6 | (3.2) |
SSAT |  |  |  |  |  |  |
Segment results |  |  |  |  |  |  |
Income (Loss) from SSAT | 1.2 |  | (1.4) |  | 1.6 | (3.2) |
Intersegment Eliminations |  |  |  |  |  |  |
Segment results |  |  |  |  |  |  |
Total Operating Revenue | 61.8 |  | 54.4 |  | 108.4 | 94.5 |
Ocean Transportation |  |  |  |  |  |  |
Segment results |  |  |  |  |  |  |
Income (Loss) from SSAT | 1.2 |  | (1.4) |  | 1.6 | (3.2) |
Ocean Transportation | Operating segments |  |  |  |  |  |  |
Segment results |  |  |  |  |  |  |
Total Operating Revenue | 689.9 |  | 616.9 |  | 1,268.9 | 1,167.9 |
Total Operating Income | 109.0 |  | 82.4 |  | 136.6 | 110.2 |
Ocean Transportation | Intersegment Eliminations |  |  |  |  |  |  |
Segment results |  |  |  |  |  |  |
Total Operating Revenue | 22.8 |  | 19.0 |  | 42.5 | 35.1 |
Logistics | Operating segments |  |  |  |  |  |  |
Segment results |  |  |  |  |  |  |
Total Operating Revenue | 157.5 |  | 156.5 |  | 300.6 | 310.3 |
Total Operating Income | 15.6 |  | 14.3 |  | 24.9 | 25.2 |
Logistics | Intersegment Eliminations |  |  |  |  |  |  |
Segment results |  |  |  |  |  |  |
Total Operating Revenue | $ 39.0 |  | $ 35.4 |  | $ 65.9 | $ 59.4 |

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