REVENUES (Revenues by Geographic Market) (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	[1]	$ 2,112.9	$ 1,954.3	$ 3,761.8	$ 3,495.0
Operating Segments [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	[1]	2,261.7	2,100.3	4,013.2	3,751.1
Intersegment Sales [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	[1]	(148.8)	(146.0)	(251.4)	(256.1)
East [Member] | Operating Segments [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	[1]	607.9	635.2	1,060.8	1,090.6
Gulf Coast [Member] | Operating Segments [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	[1]	1,096.3	1,001.5	2,067.7	1,832.4
West [Member] | Operating Segments [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	[1]	557.5	463.6	884.7	828.1
Aggregates [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	[1]	1,429.6	1,255.8	2,621.4	2,266.9
Aggregates [Member] | Operating Segments [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	[1]	1,578.4	1,401.8	2,872.8	2,523.0
Aggregates [Member] | Intersegment Sales [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	[1]	(148.8)	(146.0)	(251.4)	(256.1)
Aggregates [Member] | East [Member] | Operating Segments [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	[1]	451.7	402.1	795.0	682.5
Aggregates [Member] | Gulf Coast [Member] | Operating Segments [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	[1]	876.7	782.9	1,663.5	1,445.5
Aggregates [Member] | West [Member] | Operating Segments [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	[1]	250.0	216.8	414.3	395.0
Asphalt [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	[1]	337.4	274.8	507.1	442.0
Asphalt [Member] | Operating Segments [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	[1]	337.4	274.8	507.1	442.0
Asphalt [Member] | Intersegment Sales [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	[1]	0.0	0.0	0.0	0.0
Asphalt [Member] | East [Member] | Operating Segments [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	[1]	60.8	49.3	82.5	70.6
Asphalt [Member] | Gulf Coast [Member] | Operating Segments [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	[1]	64.5	66.2	110.7	102.7
Asphalt [Member] | West [Member] | Operating Segments [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	[1]	212.1	159.3	313.9	268.7
Concrete [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	[1]	343.5	422.3	628.7	782.8
Concrete [Member] | Operating Segments [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	[1]	343.5	422.3	628.7	782.8
Concrete [Member] | Intersegment Sales [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	[1]	0.0	0.0	0.0	0.0
Concrete [Member] | East [Member] | Operating Segments [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	[1]	95.4	183.8	183.3	337.5
Concrete [Member] | Gulf Coast [Member] | Operating Segments [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	[1]	152.7	151.0	288.9	280.9
Concrete [Member] | West [Member] | Operating Segments [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	[1]	95.4	87.5	156.5	164.4
Calcium [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	[1]	2.4	1.4	4.6	3.3
Calcium [Member] | Operating Segments [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	[1]	2.4	1.4	4.6	3.3
Calcium [Member] | Intersegment Sales [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	[1]	0.0	0.0	0.0	0.0
Calcium [Member] | East [Member] | Operating Segments [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	[1]	0.0	0.0	0.0	0.0
Calcium [Member] | Gulf Coast [Member] | Operating Segments [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	[1]	2.4	1.4	4.6	3.3
Calcium [Member] | West [Member] | Operating Segments [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenues	[1]	$ 0.0	$ 0.0	$ 0.0	$ 0.0

[1] ¹ The geographic markets are defined by states/countries as follows: East market - Arkansas, Delaware, Illinois, Kentucky, Maryland, New Jersey, New York, North Carolina, Pennsylvania,
‎ Tennessee, Virginia and Washington D.C. Gulf Coast market - Alabama, Florida, Georgia, Louisiana, Mississippi, Oklahoma, South Carolina, Texas, U.S. Virgin
‎ Islands, Freeport (Bahamas), Puerto Cortés (Honduras) and Quintana Roo (Mexico) West market - Arizona, California, Hawaii, New Mexico and British Columbia (Canada)