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Note 10 - Business Segments - Operating Income (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Operating income	$ 175,183	$ 193,093	$ 329,924	$ 360,888
Segment Reconciling Items [Member]
Operating income	(100)	(100)	(100)	0
JBI [Member] | Operating Segments [Member]
Operating income	107,000	124,400	209,200	227,700
DCS [Member] | Operating Segments [Member]
Operating income	83,100	76,300	156,000	126,300
ICS [Member] | Operating Segments [Member]
Operating income	(13,100)	(600)	(32,000)	6,400
FMS [Member] | Operating Segments [Member]
Operating income	(5,200)	(15,800)	(8,500)	(15,600)
JBT [Member] | Operating Segments [Member]
Operating income	$ 3,500	$ 8,900	$ 5,300	$ 16,100

X

- Definition

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

+ References

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