Note 10 - Business Segments (Tables)

9 Months Ended

Sep. 30, 2012

Schedule of Segment Reporting Information, by Segment [Table Text Block]

	Three Months Ended September 30,				Nine Months Ended September 30,
(Dollars in thousands)	2012		2011		2012		2011
Operating revenue:
Truckload revenue, net of fuel surcharge revenue	$	96,938	$	92,003	$	280,284	$	263,613
Truckload fuel surcharge revenue		25,931		24,849		77,305		72,463
Total Truckload revenue		122,869		116,852		357,589		336,076
Logistics revenue, net of intermodal fuel surcharge revenue(1)		36,408		35,500		102,889		98,221
Intermodal fuel surcharge revenue		4,329		3,996		11,566		11,042
Total Logistics revenue		40,737		39,496		114,455		109,263
Total operating revenue	$	163,606	$	156,348	$	472,044	$	445,339
Operating income:
Truckload	$	7,938	$	9,174	$	26,039	$	24,097
Logistics		1,902		1,937		6,603		5,982
Total operating income	$	9,840	$	11,111	$	32,642	$	30,079