ACQUISITIONS AND DIVESTITURES (Tables)	12 Months Ended
	Dec. 31, 2021
ACQUISITIONS AND DIVESTITURES [Abstract]
Comprehensive Income Actual Results	in millions2021 Actual Results Total revenues $        466.3  Net loss attributable to Vulcan (19.7)
Supplemental Pro Forma Results	in millions2021 2020 Supplemental Pro Forma Results Total revenues$      6,361.5  $      6,182.8  Net earnings attributable to Vulcan 688.6  551.9
Schedule of Business Acquisitions	December 31 in millions2021 Fair Value of Purchase Consideration Cash 1 $      1,634.5  Total fair value of purchase consideration $      1,634.5  Identifiable Assets Acquired and Liabilities Assumed Accounts and notes receivable, net $         240.4  Inventories 80.6  Other current assets 8.6  Property, plant & equipment 1,105.3  Operating lease right-of-use assets 215.9  Intangible assets Contractual rights in place 616.0  Other intangibles 57.9  Other noncurrent assets 5.3  Deferred income taxes, net (222.8) Debt assumed (443.7) Other liabilities assumed (531.3) Noncontrolling interest (22.3) Net identifiable assets acquired $      1,109.9  Goodwill $         524.6  1Includes $1,268.5 million paid to acquire all issued and outstanding shares of U.S. Concrete common stock and $384.4 million of U.S. Concrete obligations paid on the acquisition date, less $18.4 million of cash acquired.