Business Segment Information (Tables)

6 Months Ended

Jun. 30, 2019

Segment Reporting [Abstract]

Schedule of Segment Reporting Information

Summarized segment information is as follows (in thousands):

Three Months Ended June 30,

	Transportation			Water		Specialty		Materials			Total
2019
Total revenue from reportable segments	$	403,978		$	112,831	$	175,084	$	143,010		$	834,903
Elimination of intersegment revenue		—			—		—		(45,363	)		(45,363	)
Revenue from external customers		403,978			112,831		175,084		97,647			789,540
Gross (loss) profit		(99,879	)		11,263		22,210		14,002			(52,404	)
Depreciation, depletion and amortization		4,845			10,931		8,401		6,054			30,231
2018
Total revenue from reportable segments	$	502,711		$	51,618	$	151,842	$	146,197		$	852,368
Elimination of intersegment revenue		—			—		—		(45,249	)		(45,249	)
Revenue from external customers		502,711			51,618		151,842		100,948			807,119
Gross profit		35,963			5,450		21,476		17,480			80,369
Depreciation, depletion and amortization		5,373			4,378		9,212		6,074			25,037

Six Months Ended June 30,

	Transportation			Water		Specialty		Materials			Total
2019
Total revenue from reportable segments	$	742,188		$	212,086	$	315,777	$	192,243		$	1,462,294
Elimination of intersegment revenue		—			—		—		(52,953	)		(52,953	)
Revenue from external customers		742,188			212,086		315,777		139,290			1,409,341
Gross (loss) profit		(78,629	)		19,382		37,077		10,244			(11,926	)
Depreciation, depletion and amortization		8,485			21,987		14,213		11,633			56,318
Segment assets		350,679			302,294		148,441		376,619			1,178,033
2018
Total revenue from reportable segments	$	861,856		$	91,659	$	270,313	$	199,519		$	1,423,347
Elimination of intersegment revenue		—			—		—		(52,849	)		(52,849	)
Revenue from external customers		861,856			91,659		270,313		146,670			1,370,498
Gross profit		67,425			17,014		37,212		15,001			136,652
Depreciation, depletion and amortization		10,393			4,884		11,339		11,484			38,100
Segment assets		426,698			359,141		157,313		304,121			1,247,273

Reconciliation of Operating Profit (Loss) from Segments to Consolidated

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

	Three Months Ended June 30,						Six Months Ended June 30,
(in thousands)	2019			2018			2019			2018
Total gross (loss) profit from reportable segments	$	(52,404	)	$	80,369		$	(11,926	)	$	136,652
Selling, general and administrative expenses		69,998			61,316			151,153			122,568
Acquisition and integration expenses		9,177			26,287			12,500			34,696
Gain on sales of property and equipment		(4,935	)		(1,505	)		(6,835	)		(2,048	)
Total other income		(923	)		(2,444	)		(2,777	)		(1,486	)
Loss before (benefit from) provision for income taxes	$	(125,721	)	$	(3,285	)	$	(165,967	)	$	(17,078	)