SEGMENT REPORTING (Narrative) (Details) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($) segment	Jun. 30, 2022 USD ($)
Revenues	[1]	$ 2,112.9	$ 1,954.3	$ 3,761.8	$ 3,495.0
Number of operating segments | segment				4
Number of reportable segments | segment				4
Concrete [Member]
Revenues	[1]	343.5	422.3	$ 628.7	782.8
Aggregates [Member]
Revenues	[1]	1,429.6	1,255.8	2,621.4	2,266.9
Asphalt [Member]
Revenues	[1]	$ 337.4	$ 274.8	$ 507.1	$ 442.0

[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)