COMMITMENTS AND CONTINGENCIES Narrative: Commitments (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Major Operating Leases | |||
| Rent expense for operating leases | $ 39.7 | $ 46.1 | $ 52.9 |
| St Eustatius Tugs and Barges [Member] | |||
| Major Operating Leases | |||
| Description of Lessee Leasing Arrangements for Operating Leases | a ten-year lease for tugs and barges utilized at our St. Eustatius facility for bunker fuel sales, with two five-year renewal options | ||
| Land Leases [Member] | |||
| Major Operating Leases | |||
| Description of Lessee Leasing Arrangements for Operating Leases | land leases at various terminal facilities, with original terms ranging from 10 to 100 years. | ||