Revenues and Gross Profit (Tables)

9 Months Ended

Sep. 30, 2018

Revenues And Gross Profit [Abstract]

Total Revenues and Gross Profit by Product Line

The following table, which is reconciled to consolidated amounts, provides total revenues and gross profit by product line.

	Three-Months Ended						Nine-Months Ended
	September 30,						September 30,
	2018			2017			2018			2017
	(Dollars in Thousands)
Total revenues:
Building Materials Business:
Products and services:
Aggregates	$	687,800		$	590,312		$	1,778,124		$	1,619,282
Cement		98,223			88,470			300,554			280,961
Ready mixed concrete		254,686			240,222			750,424			704,471
Asphalt and paving services		99,983			110,973			199,489			215,652
Less: interproduct revenues		(66,839	)		(67,379	)		(205,681	)		(198,638	)
Products and services		1,073,853			962,598			2,822,910			2,621,728
Freight		72,264			61,229			185,390			170,878
Total Building Materials Business		1,146,117			1,023,827			3,008,300			2,792,606
Magnesia Specialties:
Products and services		68,365			59,889			201,390			189,918
Freight		5,158			4,016			14,357			12,592
Total Magnesia Specialties		73,523			63,905			215,747			202,510
Total	$	1,219,640		$	1,087,732		$	3,224,047		$	2,995,116
Gross profit (loss):
Building Materials Business:
Products and services:
Aggregates	$	209,082		$	187,065		$	460,624		$	439,032
Cement		32,543			27,459			97,582			87,608
Ready mixed concrete		20,632			23,913			66,226			70,542
Asphalt and paving services		25,606			28,873			36,479			44,446
Products and services		287,863			267,310			660,911			641,628
Freight		(47	)		1,012			432			2,040
Total Building Materials Business		287,816			268,322			661,343			643,668
Magnesia Specialties:
Products and services		26,823			21,272			76,756			69,425
Freight		(1,076	)		(1,362	)		(3,280	)		(3,576	)
Total Magnesia Specialties		25,747			19,910			73,476			65,849
Corporate		(579	)		3,446			4,474			3,321
Total	$	312,984		$	291,678		$	739,293		$	712,838