Business Segments (Tables)

6 Months Ended

Jun. 30, 2016

Segment Reporting [Abstract]

Summary of Operating Results

The following is a summary of operating results and certain other financial data for our business segments (in thousands):

	Three Months									Three Months
	Ended June 30, 2016									Ended June 30, 2015
					Inter-			Hub						Inter-			Hub
					Segment			Group						Segment			Group
	Hub		Mode		Elims			Total		Hub		Mode		Elims			Total
Revenue	$	648,523	$	231,924	$	(24,890	)	$	855,557	$	686,451	$	233,847	$	(20,785	)	$	899,513
Transportation costs		565,448		200,509		(24,890	)		741,067		614,289		204,280		(20,785	)		797,784
Gross margin		83,075		31,415		-			114,490		72,162		29,567		-			101,729
Costs and expenses:
Salaries and benefits		39,787		3,815		-			43,602		35,288		3,549		-			38,837
Agent fees and commissions		13		18,347		-			18,360		14		16,672		-			16,686
General and administrative		14,226		1,857		-			16,083		13,194		1,569		-			14,763
Depreciation and amortization		1,830		318		-			2,148		1,647		320		-			1,967
Total costs and expenses		55,856		24,337		-			80,193		50,143		22,110		-			72,253
Operating income	$	27,219	$	7,078	$	-		$	34,297	$	22,019	$	7,457	$	-		$	29,476
Capital Expenditures	$	20,314	$	10	$	-		$	20,324	$	8,550	$	109	$	-		$	8,659

The following is a summary of operating results and certain other financial data for our business segments (in thousands):

	Six Months									Six Months
	Ended June 30, 2016									Ended June 30, 2015
					Inter-			Hub						Inter-			Hub
					Segment			Group						Segment			Group
	Hub		Mode		Elims			Total		Hub		Mode		Elims			Total
Revenue	$	1,263,751	$	440,755	$	(43,090	)	$	1,661,416	$	1,329,894	$	447,369	$	(41,809	)	$	1,735,454
Transportation costs		1,101,522		380,107		(43,090	)		1,438,539		1,194,547		391,859		(41,809	)		1,544,597
Gross margin		162,229		60,648		-			222,877		135,347		55,510		-			190,857
Costs and expenses:
Salaries and benefits		79,883		7,582		-			87,465		70,948		7,365		-			78,313
Agent fees and commissions		27		35,235		-			35,262		29		31,483		-			31,512
General and administrative		28,948		3,779		-			32,727		25,392		3,442		-			28,834
Depreciation and amortization		3,644		639		-			4,283		3,265		662		-			3,927
Total costs and expenses		112,502		47,235		-			159,737		99,634		42,952		-			142,586
Operating income	$	49,727	$	13,413	$	-		$	63,140	$	35,713	$	12,558	$	-		$	48,271
Capital Expenditures	$	24,945	$	272	$	-		$	25,217	$	23,548	$	168	$	-		$	23,716

Summary of Revenue by Segment and Business Line

The following tables summarize our revenue by segment and business line (in thousands) for the quarter ended June 30:

	Three Months									Three Months
	Ended June 30, 2016									Ended June 30, 2015
					Inter-			Hub						Inter-			Hub
					Segment			Group						Segment			Group
	Hub		Mode		Elims			Total		Hub		Mode		Elims			Total
Intermodal	$	438,133	$	116,963	$	(22,168	)	$	532,928	$	464,904	$	118,121	$	(19,958	)	$	563,067
Truck brokerage		83,140		81,374		(475	)		164,039		93,067		82,691		(417	)		175,341
Logistics		127,250		33,587		(2,247	)		158,590		128,480		33,035		(410	)		161,105
Total revenue	$	648,523	$	231,924	$	(24,890	)	$	855,557	$	686,451	$	233,847	$	(20,785	)	$	899,513

The following tables summarize our revenue by segment and business line (in thousands) for the six months ended June 30:

	Six Months									Six Months
	Ended June 30, 2016									Ended June 30, 2015
					Inter-			Hub						Inter-			Hub
					Segment			Group						Segment			Group
	Hub		Mode		Elims			Total		Hub		Mode		Elims			Total
Intermodal	$	851,940	$	229,329	$	(40,117	)	$	1,041,152	$	885,855	$	228,813	$	(40,367	)	$	1,074,301
Truck brokerage		164,550		148,722		(502	)		312,770		182,359		157,043		(582	)		338,820
Logistics		247,261		62,704		(2,471	)		307,494		261,680		61,513		(860	)		322,333
Total revenue	$	1,263,751	$	440,755	$	(43,090	)	$	1,661,416	$	1,329,894	$	447,369	$	(41,809	)	$	1,735,454

Schedule of Assets

	As of June 30, 2016									As of December 31, 2015
					Inter-			Hub						Inter-			Hub
					Segment			Group						Segment			Group
	Hub		Mode		Elims			Total		Hub		Mode		Elims			Total
Total assets	$	1,093,952	$	180,902	$	(8,384	)	$	1,266,470	$	1,127,042	$	181,514	$	(7,410	)	$	1,301,146
Goodwill		233,096		29,389		-			262,485		233,205		29,389		-			262,594