Note 19 - Business Segment Information (Tables)

9 Months Ended

Sep. 30, 2019

Notes Tables

Schedule of Segment Reporting Information, by Segment [Table Text Block]

	Transportation		Water		Specialty		Materials			Total
2019
Total revenue from reportable segments	$	598,646	$	135,908	$	224,457	$	210,216		$	1,169,227
Elimination of intersegment revenue		—		—		—		(81,117	)		(81,117	)
Revenue from external customers		598,646		135,908		224,457		129,099			1,088,110
Gross profit		13,633		15,030		38,299		24,470			91,432
Depreciation, depletion and amortization		4,096		9,272		7,747		6,784			27,899

2018
Total revenue from reportable segments	$	610,847	$	124,292	$	190,836	$	194,586		$	1,120,561
Elimination of intersegment revenue		—		—		—		(64,970	)		(64,970	)
Revenue from external customers		610,847		124,292		190,836		129,616			1,055,591
Gross profit		70,976		24,103		28,099		21,313			144,491
Depreciation, depletion and amortization		7,592		11,191		7,569		6,496			32,848

	Transportation			Water		Specialty		Materials			Total
2019
Total revenue from reportable segments	$	1,340,834		$	347,994	$	540,234	$	402,459		$	2,631,521
Elimination of intersegment revenue		—			—		—		(134,070	)		(134,070	)
Revenue from external customers		1,340,834			347,994		540,234		268,389			2,497,451
Gross (loss) profit		(64,996	)		34,412		75,376		34,714			79,506
Depreciation, depletion and amortization		12,581			31,259		21,960		18,417			84,217
Segment assets		314,361			294,211		140,192		367,944			1,116,708

2018
Total revenue from reportable segments	$	1,472,703	$	215,951	$	461,149	$	392,633		$	2,542,436
Elimination of intersegment revenue		—		—		—		(116,347	)		(116,347	)
Revenue from external customers		1,472,703		215,951		461,149		276,286			2,426,089
Gross profit		138,401		41,117		65,311		36,314			281,143
Depreciation, depletion and amortization		17,920		16,075		18,908		17,980			70,883
Segment assets		394,981		308,964		150,437		375,016			1,229,398

Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block]

	Three Months Ended September 30,						Nine Months Ended September 30,
(in thousands)	2019			2018			2019			2018
Total gross profit from reportable segments	$	91,432		$	144,491		$	79,506		$	281,143
Selling, general and administrative expenses		73,424			70,769			224,577			193,337
Acquisition and integration expenses		2,744			9,334			15,244			44,030
Gain on sales of property and equipment		(7,101	)		(3,018	)		(13,936	)		(5,066	)
Total other income		(3,022	)		(383	)		(5,799	)		(1,869	)
Income (loss) before provision for (benefit from) income taxes	$	25,387		$	67,789		$	(140,580	)	$	50,711