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Note 10 - Business Segments - Operating Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Operating income	$ 149,389	$ 167,890
JBI [Member] | Operating Segments [Member]
Operating income	95,300	103,100
DCS [Member] | Operating Segments [Member]
Operating income	44,800	44,800
ICS [Member] | Operating Segments [Member]
Operating income	4,400	10,800
JBT [Member] | Operating Segments [Member]
Operating income	$ 4,900	$ 9,200

X

- Definition

The net result for the period of deducting operating expenses from operating revenues.

+ References

No definition available.

+ Details

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