Note 9 - Business Segments (Details) - Operating Income (Loss) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Note 9 - Business Segments (Details) - Operating Income (Loss) [Line Items]
Segment Operating Income (Loss)	$ 150,729	$ 133,052	$ 423,175	$ 386,865
JBI [Member]
Note 9 - Business Segments (Details) - Operating Income (Loss) [Line Items]
Segment Operating Income (Loss)	118,000	97,900	325,500	270,800
DCS [Member]
Note 9 - Business Segments (Details) - Operating Income (Loss) [Line Items]
Segment Operating Income (Loss)	29,300	25,600	80,900	86,900
ICS [Member]
Note 9 - Business Segments (Details) - Operating Income (Loss) [Line Items]
Segment Operating Income (Loss)	2,800	5,500	12,200	11,500
JBT [Member]
Note 9 - Business Segments (Details) - Operating Income (Loss) [Line Items]
Segment Operating Income (Loss)	600	4,000	4,700	17,700
Corporate and Other [Member]
Note 9 - Business Segments (Details) - Operating Income (Loss) [Line Items]
Segment Operating Income (Loss)		$ 100	$ (100)