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SIGNIFICANT ACCOUNTING POLICIES - PREPAID EXPENSES AND OTHER ASSETS (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Prepaid Expenses and Other Assets: |  |
Income tax receivables, net | $ 125.2 | $ 170.8
Prepaid fuel | 22.5 | 26.3
Prepaid insurance and insurance related receivables | 19.3 | 17.4
Restricted cash - vessel construction obligations | 2.3 | 3.9
Other | 19.6 | 22.9
Total | 188.9 | 241.3
Other Long-term Assets |  |
Vessel and equipment spare parts | 14.2 | 13.2
Pension plan assets | 34.8 | 18.9
Insurance related receivables | 10.2 | 12.1
Other | 7.2 | 9.4
Total | 66.4 | $ 53.6
Income taxes receivable | $ 118.6 |

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