REPORTABLE SEGMENTS (Details) $ in Millions	3 Months Ended
Mar. 31, 2016 USD ($) segment	Mar. 31, 2015 USD ($)
Segment results
Number of segments \| segment	2
Revenue	$ 454.2	$ 398.2
Operating Income	34.6	44.9
Interest expense	(4.9)	(4.3)
Income before Income Taxes	29.7	40.6
Income taxes	(11.6)	(15.6)
Net Income	18.1	25.0
Operating segments
Segment results
Operating Income	34.6	44.9
Ocean Transportation \| Operating segments
Segment results
Revenue	366.1	305.5
Operating Income	33.0	43.9
Logistics \| Operating segments
Segment results
Revenue	88.1	92.7
Operating Income	$ 1.6	$ 1.0

This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investments, but before income taxes, extraordinary items, and noncontrolling interest.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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