ACQUISITIONS AND DIVESTITURES (Supplemental Pro Forma Results) (Details) - U.S. Concrete, Inc. [Member] - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Significant Acquisitions And Disposals [Line Items]
Supplemental Pro Forma Results, Total revenues	$ 6,361.5	$ 6,182.8
Vulcan [Member]
Significant Acquisitions And Disposals [Line Items]
Supplemental Pro Forma Results, Net earnings attributable to Vulcan	$ 688.6	$ 551.9

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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