Business Segments (Tables)

6 Months Ended

Jun. 30, 2022

Segment Reporting [Abstract]

Financial Data for Continuing Operation for Company's Reportable Business Segments

The following table displays selected financial data for the Company’s reportable segments. Total revenues, as well as the consolidated statements of earnings and comprehensive earnings, exclude intersegment revenues, which represent sales from one segment to another segment and are eliminated in consolidation. Total revenues, product and services revenues, and earnings (loss) from operations reflect continuing operations only. In 2022, earnings from operations for the West Group include nonrecurring gains on divested assets of $151.7 million.

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2022			2021			2022			2021
	(Dollars in Millions)
Total revenues:
East Group	$	674.5		$	635.3		$	1,093.3		$	1,030.2
West Group		885.5			666.8			1,620.5			1,183.4
Total Building Materials business		1,560.0			1,302.1			2,713.8			2,213.6
Magnesia Specialties		81.7			75.8			158.7			146.7
Total	$	1,641.7		$	1,377.9		$	2,872.5		$	2,360.3
Products and services revenues:
East Group	$	632.4		$	596.5		$	1,027.0		$	969.1
West Group		816.8			628.8			1,499.2			1,112.9
Total Building Materials business		1,449.2			1,225.3			2,526.2			2,082.0
Magnesia Specialties		74.6			70.0			145.4			135.2
Total	$	1,523.8		$	1,295.3		$	2,671.6		$	2,217.2
Earnings (Loss) from operations:
East Group	$	210.6		$	197.8		$	238.5		$	259.5
West Group		274.5			101.8			317.6			133.6
Total Building Materials business		485.1			299.6			556.1			393.1
Magnesia Specialties		20.3			23.1			41.8			46.7
Corporate		(26.8	)		(15.2	)		(59.5	)		(33.0	)
Total	$	478.6		$	307.5		$	538.4		$	406.8