Segment Information (Tables)

6 Months Ended

Jun. 30, 2019

Segment Information [Abstract]

Segment Information

The accounting policies of the reportable segments are the same as those described in the summary of significant accounting policies. Intersegment sales and transfers are valued at prices comparable to those for unrelated parties.

Segment Information:

	Three Months Ended June 30, 2019
	Infrastructure Group			Aggregate and Mining Group			Energy Group			Corporate			Total
Net sales to external customers	$	133,235		$	106,837		$	64,730		$	–		$	304,802
Intersegment sales		2,849			5,782			4,095			–			12,726
Gross profit		42,689			25,493			15,187			81			83,450
Gross profit percent		32.0	%		23.9	%		23.5	%		–			27.4	%
Segment profit (loss)	$	24,445		$	8,489		$	3,138		$	(13,220	)	$	22,852

	Six Months Ended June 30, 2019
	Infrastructure Group			Aggregate and Mining Group			Energy Group			Corporate			Total
Net sales to external customers	$	288,229		$	213,368		$	128,985		$	–		$	630,582
Intersegment sales		4,920			10,539			11,116			–			26,575
Gross profit		78,196			51,038			30,666			76			159,976
Gross profit percent		27.1	%		23.9	%		23.8	%		–			25.4	%
Segment profit (loss)	$	39,683		$	17,166		$	6,532		$	(26,690	)	$	36,691

	Three Months Ended June 30, 2018
	Infrastructure Group			Aggregate and Mining Group			Energy Group			Corporate		Total
Net sales to external customers	$	83,202		$	116,297		$	73,029		$	–	$	272,528
Intersegment sales		3,370			5,102			6,724			–		15,196
Gross profit (loss)		(47,817	)		29,042			19,808			75		1,108
Gross profit (loss) percent		(57.5	)%		25.0	%		27.1	%		–		0.4	%
Segment profit (loss)	$	(62,734	)	$	12,548		$	8,477		$	596	$	(41,113	)

	Six Months Ended June 30, 2018
	Infrastructure Group			Aggregate and Mining Group			Energy Group			Corporate			Total
Net sales to external customers	$	230,296		$	235,364		$	132,321		$	–		$	597,981
Intersegment sales		11,641			9,008			11,863			–			32,512
Gross profit (loss)		(14,536	)		58,331			35,095			223			79,113
Gross profit (loss) percent		(6.3	)%		24.8	%		26.5	%		–			13.2	%
Segment profit (loss)	$	(47,882	)	$	25,658		$	13,088		$	(10,652	)	$	(19,788	)

Segment Profit (Loss) to the Company's Consolidated Totals

A reconciliation of total segment profit to the Company’s consolidated totals is as follows:

	Three Months Ended June 30,					Six Months Ended June 30,
	2019		2018			2019		2018
Total segment profit (loss)	$	22,852	$	(41,113	)	$	36,691	$	(19,788	)
Recapture (elimination) of intersegment profit		509		345			888		(764	)
Net income (loss)		23,361		(40,768	)		37,579		(20,552	)
Net loss attributable to non-controlling interest in subsidiaries		16		94			72		145
Net income (loss) attributable to controlling interest	$	23,377	$	(40,674	)	$	37,651	$	(20,407	)