The Building Materials business includes the aggregates, cement, ready mixed concrete and asphalt and paving product lines. All cement, ready mixed concrete and asphalt and paving product lines reside in the West Group. 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