Business Segment Information (Tables)

3 Months Ended

Mar. 31, 2019

Segment Reporting [Abstract]

Schedule of Segment Reporting 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

Reconciliation of Operating Profit (Loss) from Segments to Consolidated

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	)