SEGMENT REPORTING (Segment Financial Disclosure) (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Total revenues	[1]	$ 2,112.9	$ 1,954.3	$ 3,761.8	$ 3,495.0
Gross profit		583.3	446.2	885.3	714.9
Depreciation, Depletion, Accretion & Amortization (DDA&A)		154.9	143.0	303.3	284.0
Cash and cash equivalents and restricted cash		168.2	123.7	168.2	123.7	$ 161.5	$ 241.5
Total assets		14,333.6	14,181.5	14,333.6	14,181.5	$ 14,234.6
Operating Segments [Member]
Segment Reporting Information [Line Items]
Total revenues	[1]	2,261.7	2,100.3	4,013.2	3,751.1
Total assets		13,838.2	13,743.7	13,838.2	13,743.7
Intersegment Sales [Member]
Segment Reporting Information [Line Items]
Total revenues	[1]	(148.8)	(146.0)	(251.4)	(256.1)
Aggregates [Member]
Segment Reporting Information [Line Items]
Total revenues	[1]	1,429.6	1,255.8	2,621.4	2,266.9
Aggregates [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total revenues	[1]	1,578.4	1,401.8	2,872.8	2,523.0
Gross profit		498.6	402.4	801.3	645.2
Depreciation, Depletion, Accretion & Amortization (DDA&A)		119.6	107.3	231.9	210.9
Total assets		11,654.4	11,345.3	11,654.4	11,345.3
Aggregates [Member] | Intersegment Sales [Member]
Segment Reporting Information [Line Items]
Total revenues	[1]	(148.8)	(146.0)	(251.4)	(256.1)
Asphalt [Member]
Segment Reporting Information [Line Items]
Total revenues	[1]	337.4	274.8	507.1	442.0
Asphalt [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total revenues	[1]	337.4	274.8	507.1	442.0
Gross profit		56.6	13.6	57.4	10.7
Depreciation, Depletion, Accretion & Amortization (DDA&A)		8.9	8.5	17.8	17.1
Total assets		647.1	631.6	647.1	631.6
Asphalt [Member] | Intersegment Sales [Member]
Segment Reporting Information [Line Items]
Total revenues	[1]	0.0	0.0	0.0	0.0
Concrete [Member]
Segment Reporting Information [Line Items]
Total revenues	[1]	343.5	422.3	628.7	782.8
Concrete [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total revenues	[1]	343.5	422.3	628.7	782.8
Gross profit		27.0	30.0	24.7	58.2
Depreciation, Depletion, Accretion & Amortization (DDA&A)		19.5	20.7	39.9	41.8
Total assets		1,532.9	1,762.7	1,532.9	1,762.7
Concrete [Member] | Intersegment Sales [Member]
Segment Reporting Information [Line Items]
Total revenues	[1]	0.0	0.0	0.0	0.0
Calcium [Member]
Segment Reporting Information [Line Items]
Total revenues	[1]	2.4	1.4	4.6	3.3
Calcium [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total revenues	[1]	2.4	1.4	4.6	3.3
Gross profit		1.1	0.2	1.9	0.8
Depreciation, Depletion, Accretion & Amortization (DDA&A)		0.0	0.1	0.1	0.1
Total assets		3.8	4.1	3.8	4.1
Calcium [Member] | Intersegment Sales [Member]
Segment Reporting Information [Line Items]
Total revenues	[1]	0.0	0.0	0.0	0.0
Other Segments [Member]
Segment Reporting Information [Line Items]
Depreciation, Depletion, Accretion & Amortization (DDA&A)		6.9	6.4	13.6	14.1
Corporate [Member]
Segment Reporting Information [Line Items]
Total assets		$ 327.2	$ 314.1	$ 327.2	$ 314.1

[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)