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SIGNIFICANT ACCOUNTING POLICIES - INVESTMENT IN SSAT (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2021 | Mar. 31, 2020 | Dec. 31, 2020
Investments in affiliates |  |  |
Investment in Terminal Joint Venture | $ 47.5 |  | $ 48.7
Financial information for equity method investment |  |  |
Company Share of Net Income | 9.2 | $ 4.0 |
Ocean Transportation |  |  |
Financial information for equity method investment |  |  |
Company Share of Net Income | 9.2 | 4.0 |
SSAT |  |  |
Investments in affiliates |  |  |
Investment in Terminal Joint Venture | 47.5 |  | $ 48.7
Financial information for equity method investment |  |  |
Operating revenue | 306.1 | 278.9 |
Operating costs and expenses | (273.1) | (265.4) |
Operating Income | 33.0 | 13.5 |
Net Income | 28.9 | 13.0 |
Company Share of Net Income | $ 9.2 | $ 4.0 |

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