SEGMENT REPORTING (Segment Financial Disclosure) (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Total revenues	[1]	$ 7,781.9	$ 7,315.2	$ 5,552.2
Gross profit		1,948.5	1,557.7	1,373.4
Depreciation, Depletion, Accretion & Amortization (DDA&A)		617.0	587.5	463.0
Capital Expenditures	[2]	828.5	644.1	450.5
Cash and cash equivalents and restricted cash		949.2	161.5	241.5	$ 1,198.0
Total assets		14,545.7	14,234.6	13,682.6
Operating Segments [Member]
Segment Reporting Information [Line Items]
Total revenues	[1]	8,308.9	7,864.7	5,896.5
Total assets	[3],[4]	13,328.9	13,612.8	13,204.0
Intersegment Sales [Member]
Segment Reporting Information [Line Items]
Total revenues	[1]	(527.0)	(549.5)	(344.3)
Aggregates [Member]
Segment Reporting Information [Line Items]
Total revenues	[1]	5,382.9	4,723.3	4,000.7
Aggregates [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total revenues	[1],[5]	5,909.9	5,272.8	4,345.0
Gross profit		1,733.6	1,408.5	1,295.7
Depreciation, Depletion, Accretion & Amortization (DDA&A)		482.2	441.1	360.4
Capital Expenditures	[2]	764.9	540.3	423.1
Total assets	[3],[4]	11,749.6	11,575.2	10,917.8
Aggregates [Member] | Intersegment Sales [Member]
Segment Reporting Information [Line Items]
Total revenues	[1]	(527.0)	(549.5)	(344.3)
Asphalt [Member]
Segment Reporting Information [Line Items]
Total revenues	[1]	1,140.7	990.2	777.8
Asphalt [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total revenues	[1],[6]	1,140.7	990.2	777.8
Gross profit		149.6	57.3	21.2
Depreciation, Depletion, Accretion & Amortization (DDA&A)		35.6	35.1	36.0
Capital Expenditures	[2]	46.9	23.3	9.3
Total assets	[3],[4]	613.4	597.6	602.0
Asphalt [Member] | Intersegment Sales [Member]
Segment Reporting Information [Line Items]
Total revenues	[1]	0.0	0.0	0.0
Concrete [Member]
Segment Reporting Information [Line Items]
Total revenues	[1]	1,249.3	1,593.9	766.8
Concrete [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total revenues	[1]	1,249.3	1,593.9	766.8
Gross profit		62.1	89.3	54.3
Depreciation, Depletion, Accretion & Amortization (DDA&A)		72.8	83.1	41.5
Capital Expenditures	[2]	15.8	50.4	18.1
Total assets	[3],[4]	962.3	1,436.2	1,680.2
Concrete [Member] | Intersegment Sales [Member]
Segment Reporting Information [Line Items]
Total revenues	[1]	0.0	0.0	0.0
Calcium [Member]
Segment Reporting Information [Line Items]
Total revenues	[1]	9.0	7.8	6.9
Calcium [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total revenues	[1]	9.0	7.8	6.9
Gross profit		3.2	2.6	2.2
Depreciation, Depletion, Accretion & Amortization (DDA&A)		0.2	0.2	0.2
Capital Expenditures	[2]	0.0	0.1	0.0
Total assets	[3],[4]	3.6	3.8	4.0
Calcium [Member] | Intersegment Sales [Member]
Segment Reporting Information [Line Items]
Total revenues	[1]	0.0	0.0	0.0
Other Segments [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Depreciation, Depletion, Accretion & Amortization (DDA&A)		26.2	28.0	24.9
Corporate [Member]
Segment Reporting Information [Line Items]
Capital Expenditures	[2]	0.9	30.0	0.0
Total assets		$ 267.6	$ 460.3	$ 237.1

[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)

[2] Capital expenditures include changes in accruals for purchases of property, plant & equipment. Capital expenditures exclude property, plant & equipment obtained by business acquisitions.

[3] Certain temporarily idled assets are included within a segment's Identifiable Assets, but the associated DDA&A is shown within Other in the DDA&A section above as the related DDA&A is excluded from segment gross profit.

[4] The decreases in Concrete Identifiable Assets are primarily due to the 2022 divestiture of concrete operations in New Jersey, New York, and Pennsylvania and the 2023 divestiture of concrete operations in Texas (see Note 19)

[5] Includes product sales, as well as freight & delivery costs that we pass along to our customers, and service revenues (see Note 2) related to aggregates.

[6] Includes product sales, as well as service revenues (see Note 2) from our asphalt construction paving business.