Note 9 - Business Segments (Detail) - Operating Income (Loss) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Segment Operating Income (Loss)	$ 125,039	$ 116,597
JBI [Member]
Segment Operating Income (Loss)	96,800	79,400
DCS [Member]
Segment Operating Income (Loss)	21,900	28,100
ICS [Member]
Segment Operating Income (Loss)	5,200	4,100
JBT [Member]
Segment Operating Income (Loss)	1,100	4,900
Corporate and Other [Member]
Segment Operating Income (Loss)		$ 100