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COMMITMENTS AND CONTINGENCIES (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2016 USD ($) item
Commitments, Guarantees and Contingencies |
Standby letters of credit | $ 11.2
Benefit plan withdrawal obligation | 64.2
Construction of vessels obligations | 803.9
Other capital obligations | $ 26.9
Number of new vessels to be constructed | item | 4
State of Hawaii investigation |
Environmental Matters |
Settlement amount | $ 0.7
Benefit plan withdrawal obligations |
Commitments, Guarantees and Contingencies |
Benefit plan withdrawal obligation | 220.8
U.S. Customs bond |
Commitments, Guarantees and Contingencies |
Bonds | $ 32.7

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