Note 11 - Business Segments (Details) - Operating Revenues (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	$ 1,406,908	$ 1,291,587
Operating Segments [Member] | JBI [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	836,000	796,000
Operating Segments [Member] | DCS [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	322,000	279,000
Operating Segments [Member] | ICS [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	163,000	123,000
Operating Segments [Member] | JBT [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	92,000	102,000
Operating Segments [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	1,413,000	1,300,000
Intersegment Eliminations [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	$ (6,000)	$ (8,000)