CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) shares in Millions, $ in Millions		3 Months Ended
		Mar. 31, 2022	Mar. 31, 2021
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME [Abstract]
Total revenues	[1]	$ 1,540.7	$ 1,068.3
Cost of revenues		1,271.9	839.0
Gross profit		268.8	229.3
Selling, administrative and general expenses		119.0	88.6
Gain on sale of property, plant & equipment and businesses		2.6	117.2
Other operating expense, net		(5.4)	(8.4)
Operating earnings		147.0	249.5
Other nonoperating income, net		1.5	5.9
Interest expense, net		35.9	33.1
Earnings from continuing operations before income taxes		112.6	222.3
Income tax expense		18.7	60.6
Earnings from continuing operations		93.9	161.7
Loss on discontinued operations, net of tax		(1.8)	(1.1)
Net earnings		92.1	160.6
(Earnings) loss attributable to noncontrolling interest		(0.3)	(0.0)
Net earnings attributable to Vulcan		91.8	160.6
Other comprehensive income (loss), net of tax
Deferred loss on interest rate derivative		0.0	0.0
Amortization of prior interest rate derivative loss		0.4	0.4
Amortization of actuarial loss and prior service cost for benefit plans		0.7	1.2
Other comprehensive income (loss)		1.1	1.6
Comprehensive income		93.2	162.2
Comprehensive (earnings) loss attributable to noncontrolling interest		(0.3)	(0.0)
Comprehensive income attributable to Vulcan		$ 92.9	$ 162.2
Basic earnings (loss) per share attributable to Vulcan
Continuing operations		$ 0.70	$ 1.22
Discontinued operations		(0.01)	(0.01)
Net earnings		0.69	1.21
Diluted earnings (loss) per share attributable to Vulcan
Continuing operations		0.70	1.21
Discontinued operations		(0.01)	(0.01)
Net earnings		$ 0.69	$ 1.20
Weighted-average common shares outstanding
Basic		133.0	132.7
Assuming dilution		133.6	133.4
Effective tax rate from continuing operations		16.60%	27.30%

[1] ¹ The geographic markets are defined by states/countries as follows: East market — Arkansas, Delaware, Illinois, Kentucky, Maryland, North Carolina, Pennsylvania, Tennessee, Virginia and Washington D.C. Gulf Coast market — Alabama, Florida, Georgia, Louisiana, Mississippi, Oklahoma, Quintana Roo (Mexico), South Carolina and Texas West market — Arizona, California and New Mexico U.S. Concrete — British Columbia (Canada), California, Hawaii, New Jersey, New York, Oklahoma, Pennsylvania, Texas, the U.S. Virgin Islands and Washington D.C.