SEGMENT REPORTING (Segment Financial Disclosure) (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Total revenues	[1]	$ 1,649.0	$ 1,540.7
Gross profit		302.0	268.8
Depreciation, Depletion, Accretion & Amortization (DDA&A)		148.4	141.0
Cash and cash equivalents and restricted cash		140.0	133.0	$ 161.5	$ 241.5
Total assets		14,076.9	13,860.8	$ 14,234.6
Operating Segments [Member]
Segment Reporting Information [Line Items]
Total revenues	[1]	1,751.5	1,650.7
Total assets		13,628.7	13,485.6
Intersegment Sales [Member]
Segment Reporting Information [Line Items]
Total revenues	[1]	(102.5)	(110.0)
Aggregates [Member]
Segment Reporting Information [Line Items]
Total revenues	[1]	1,191.8	1,011.2
Aggregates [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total revenues	[1]	1,294.3	1,121.2
Gross profit		302.8	242.8
Depreciation, Depletion, Accretion & Amortization (DDA&A)		112.3	103.6
Total assets		11,503.4	11,271.1
Aggregates [Member] | Intersegment Sales [Member]
Segment Reporting Information [Line Items]
Total revenues	[1]	(102.5)	(110.0)
Asphalt [Member]
Segment Reporting Information [Line Items]
Total revenues	[1]	169.8	167.1
Asphalt [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total revenues	[1]	169.8	167.1
Gross profit		0.8	(2.9)
Depreciation, Depletion, Accretion & Amortization (DDA&A)		9.0	8.6
Total assets		608.4	588.7
Asphalt [Member] | Intersegment Sales [Member]
Segment Reporting Information [Line Items]
Total revenues	[1]	0.0	0.0
Concrete [Member]
Segment Reporting Information [Line Items]
Total revenues	[1]	285.1	360.5
Concrete [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total revenues	[1]	285.1	360.5
Gross profit		(2.4)	28.2
Depreciation, Depletion, Accretion & Amortization (DDA&A)		20.4	21.1
Total assets		1,513.3	1,622.0
Concrete [Member] | Intersegment Sales [Member]
Segment Reporting Information [Line Items]
Total revenues	[1]	0.0	0.0
Calcium [Member]
Segment Reporting Information [Line Items]
Total revenues	[1]	2.3	1.9
Calcium [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total revenues	[1]	2.3	1.9
Gross profit		0.8	0.7
Depreciation, Depletion, Accretion & Amortization (DDA&A)		0.0	0.0
Total assets		3.6	3.8
Calcium [Member] | Intersegment Sales [Member]
Segment Reporting Information [Line Items]
Total revenues	[1]	0.0	0.0
Other Segments [Member]
Segment Reporting Information [Line Items]
Depreciation, Depletion, Accretion & Amortization (DDA&A)		6.7	7.7
Corporate [Member]
Segment Reporting Information [Line Items]
Total assets		$ 308.2	$ 242.2

[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)