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ACQUISITIONS AND DIVESTITURES - Narrative (Details)	3 Months Ended					12 Months Ended
ACQUISITIONS AND DIVESTITURES - Narrative (Details)	Mar. 31, 2024 USD ($) divestiture	Dec. 31, 2023 USD ($)	Sep. 30, 2023 USD ($)	Jun. 30, 2023 USD ($)	Mar. 31, 2023 USD ($)	Dec. 31, 2023 USD ($) business
Significant Acquisitions and Disposals [Line Items]
Number of businesses acquired \| business						0
Number of business divestitures \| divestiture	0
Gain (loss) on sale of property, plant & equipment and businesses	$ 600,000				$ 1,700,000
Disposal Group, Held-for-Sale, Not Discontinued Operations
Significant Acquisitions and Disposals [Line Items]
Assets held for sale	0	$ 0			$ 0	$ 0
2024 Business Acquisitions
Significant Acquisitions and Disposals [Line Items]
Total consideration	$ 12,300,000
Texas \| Concrete
Significant Acquisitions and Disposals [Line Items]
Loss on impairments			$ 28,300,000
Gain (loss) on sale of property, plant & equipment and businesses		(13,800,000)
Virginia
Significant Acquisitions and Disposals [Line Items]
Gain (loss) on sale of property, plant & equipment and businesses		$ 65,700,000
Illinois
Significant Acquisitions and Disposals [Line Items]
Gain (loss) on sale of property, plant & equipment and businesses				$ 15,200,000