Business Segment Information

3 Months Ended

Mar. 31, 2019

18. Business Segment Information

During the third quarter of 2018, we revised our reportable business segments. For further information see the Annual Report on Form 10-K

Summarized segment information is as follows (in thousands):

	Three Months Ended March 31,
	Transportation		Water		Specialty		Materials			Total
2019
Total revenue from reportable segments	$	338,210	$	99,255	$	140,693	$	49,233		$	627,391
Elimination of intersegment revenue		—		—		—		(7,590	)		(7,590	)
Revenue from external customers		338,210		99,255		140,693		41,643			619,801
Gross profit (loss)		21,250		8,119		14,867		(3,758	)		40,478
Depreciation, depletion and amortization		3,640		11,056		5,812		5,579			26,087
Segment assets		410,354		303,671		152,307		375,136			1,241,468

2018
Total revenue from reportable segments	$	359,145	$	40,041	$	118,471	$	53,322		$	570,979
Elimination of intersegment revenue		—		—		—		(7,600	)		(7,600	)
Revenue from external customers		359,145		40,041		118,471		45,722			563,379
Gross profit (loss)		31,462		11,564		15,736		(2,479	)		56,283
Depreciation, depletion and amortization		5,020		506		2,127		5,410			13,063
Segment assets		376,970		4,197		101,355		296,085			778,607

As of March 31, 2019, segment assets include $14.9 million of property and equipment located in foreign countries (primarily Latin America). As of March 31, 2018, all segment assets were located in the United States. During the three months ended March 31, 2019 revenue derived from foreign countries (primarily Latin America) was $13.9 million. During the three months ended March 31, 2018, revenue derived from foreign countries was immaterial.

A reconciliation of segment gross profit to consolidated loss before benefit from income taxes is as follows:

	Three Months Ended March 31,
(in thousands)	2019			2018
Total gross profit from reportable segments	$	40,478		$	56,283
Selling, general and administrative expenses		81,155			61,252
Acquisition and integration expenses		3,323			8,409
Gain on sales of property and equipment		(1,900	)		(543	)
Total other (income) expense		(1,854	)		958
Loss before benefit from income taxes	$	(40,246	)	$	(13,793	)