Note 11 - Operating Revenues (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Operating Segments [Member] | JBI [Member]
Revenues	$ 3,665,000	$ 3,687,000	$ 3,456,000
Operating Segments [Member] | DCS [Member]
Revenues	1,451,000	1,394,000	1,231,000
Operating Segments [Member] | ICS [Member]
Revenues	699,000	718,000	537,000
Operating Segments [Member] | JBT [Member]
Revenues	386,000	386,000	391,000
Operating Segments [Member]
Revenues	6,201,000	6,185,000	5,615,000
Intersegment Eliminations [Member]
Revenues	(13,000)	(20,000)	(30,000)
Revenues	$ 6,187,646	$ 6,165,441	$ 5,584,571