ACQUISITIONS AND DIVESTITURES (Narrative) (Details)	3 Months Ended				6 Months Ended		12 Months Ended
	Jun. 30, 2023 USD ($)	Dec. 31, 2022 USD ($)	Sep. 30, 2022 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Dec. 31, 2022 USD ($) item
Significant Acquisitions and Disposals [Line Items]
Cash					$ (900,000)	$ 188,100,000
Gain (loss) on sale of property, plant & equipment and businesses	$ 16,700,000			$ 2,000,000.0	18,500,000	4,600,000
Assets held for sale	0	$ 0		$ 0	0	0	$ 0
Acquisitions 2022 [Member]
Significant Acquisitions and Disposals [Line Items]
Total consideration					593,700,000		593,700,000
Cash							528,300,000
Noncash consideration amount							65,400,000
Amortizable intangible assets recognized							61,400,000
Goodwill					$ 12,400,000		$ 12,400,000
Intangible assets amortization period, tax purposes							15 years
Goodwill, deductible for income tax purposes		0					$ 0
New York, New Jersey And Pennsylvania [Member] | Concrete [Member]
Significant Acquisitions and Disposals [Line Items]
Loss on impairments		67,800,000
Gain (loss) on sale of property, plant & equipment and businesses		$ (17,400,000)
California [Member]
Significant Acquisitions and Disposals [Line Items]
Gain (loss) on sale of property, plant & equipment and businesses			$ 23,500,000
Texas [Member]
Significant Acquisitions and Disposals [Line Items]
Number of facilities acquired | item							5
Texas And Virginia [Member] | Acquisitions 2022 [Member]
Significant Acquisitions and Disposals [Line Items]
Total consideration						233,500,000
Cash						188,100,000
Noncash consideration amount						$ 45,400,000
Illinois [Member]
Significant Acquisitions and Disposals [Line Items]
Gain (loss) on sale of property, plant & equipment and businesses	$ 15,200,000
Aggregates [Member] | California [Member]
Significant Acquisitions and Disposals [Line Items]
Number of facilities acquired | item							8
Asphalt Mix [Member] | California [Member]
Significant Acquisitions and Disposals [Line Items]
Number of facilities acquired | item							4
Ready-Mixed Concrete Facilities [Member] | California [Member]
Significant Acquisitions and Disposals [Line Items]
Number of facilities acquired | item							7
Ready-Mixed Concrete Facilities [Member] | Virginia [Member]
Significant Acquisitions and Disposals [Line Items]
Number of facilities acquired | item							4
Idle Ready-Mixed Concrete Sites [Member] | Virginia [Member]
Significant Acquisitions and Disposals [Line Items]
Number of facilities acquired | item							2
Amortizable Intangible Asset Straight-Line Method [Member] | Acquisitions 2022 [Member]
Significant Acquisitions and Disposals [Line Items]
Estimated weighted-average amortization period of intangible assets							15 years