Revenues and Gross Profit (Tables)

12 Months Ended

Dec. 31, 2020

Revenues And Gross Profit [Abstract]

Total Revenues and Gross Profit by Product Line

The following tables, which are reconciled to consolidated amounts, provide total revenues and gross profit by line of business: Building Materials (further divided by product line) and Magnesia Specialties. Interproduct revenues represent sales from the aggregates product line to the ready mixed concrete and asphalt and paving product lines and sales from the cement product line to the ready mixed concrete product line.

years ended December 31 (in millions) Total revenues	2020			2019			2018
Building Materials business:
Products and services:
Aggregates	$	2,769.3		$	2,756.7		$	2,365.8
Cement		452.5			439.1			387.8
Ready mixed concrete		952.1			948.1			963.8
Asphalt and paving		331.7			294.0			258.6
Less:  interproduct revenues		(294.4	)		(265.5	)		(264.2	)
Products and services		4,211.2			4,172.4			3,711.8
Freight		276.0			295.4			244.8
Total Building Materials business		4,487.2			4,467.8			3,956.6
Magnesia Specialties:
Products and services		220.9			249.9			268.6
Freight		21.8			21.4			19.1
Total Magnesia Specialties		242.7			271.3			287.7
Consolidated total revenues	$	4,729.9		$	4,739.1		$	4,244.3
Gross profit (loss)
Building Materials business:
Products and services:
Aggregates	$	848.5		$	807.9		$	608.4
Cement		170.9			143.4			126.2
Ready mixed concrete		79.6			78.8			74.2
Asphalt and paving		60.4			50.7			51.3
Products and services		1,159.4			1,080.8			860.1
Freight		0.4			(0.2	)		0.2
Total Building Materials business		1,159.8			1,080.6			860.3
Magnesia Specialties:
Products and services		89.6			99.4			102.9
Freight		(4.1	)		(4.0	)		(4.2	)
Total Magnesia Specialties		85.5			95.4			98.7
Corporate		7.5			3.0			7.6
Consolidated gross profit	$	1,252.8		$	1,179.0		$	966.6

Domestic and Foreign Total Revenues

Domestic and foreign total revenues are as follows:

years ended December 31 (in millions)	2020		2019		2018
Domestic	$	4,674.4	$	4,676.3	$	4,166.4
Foreign		55.5		62.8		77.9
Consolidated total revenues	$	4,729.9	$	4,739.1	$	4,244.3