Segment Reporting (Tables)

9 Months Ended

Sep. 30, 2012

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

(Dollars in thousands)	Three Months Ended September 30,						Nine Months Ended September 30,
	2012			2011			2012			2011
Revenues before Inter-segment Eliminations
Freight	$	858,276		$	843,300		$	2,567,847		$	2,450,870
Logistics	427,790			417,142			1,294,965			1,181,129
Truckload	160,094			158,705			480,337			459,371
Other	15,229			12,160			44,156			36,454
Inter-segment Revenue Eliminations	(57,276		)	(54,228		)	(170,935		)	(156,569		)
	$	1,404,113		$	1,377,079		$	4,216,370		$	3,971,255
Inter-segment Revenue Eliminations
Freight	$	11,996		$	13,205		$	37,868		$	36,931
Logistics	12,625			9,411			34,792			24,216
Truckload	18,502			20,921			57,273			63,291
Other	14,153			10,691			41,002			32,131
	$	57,276		$	54,228		$	170,935		$	156,569
Revenues from External Customers
Freight	$	846,280		$	830,095		$	2,529,979		$	2,413,939
Logistics	415,165			407,731			1,260,173			1,156,913
Truckload	141,592			137,784			423,064			396,080
Other	1,076			1,469			3,154			4,323
	$	1,404,113		$	1,377,079		$	4,216,370		$	3,971,255
Operating Income (Loss)
Freight	$	34,441		$	40,721		$	122,372		$	100,220
Logistics	10,990			12,679			35,972			33,420
Truckload	11,273			7,867			36,442			25,273
Other	(1,491		)	(142		)	(3,740		)	(927		)
	$	55,213		$	61,125		$	191,046		$	157,986