CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) shares in Millions, $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME [Abstract]
Total revenues	[1]	$ 1,954.3	$ 1,361.0	$ 3,495.0	$ 2,429.4
Cost of revenues		1,508.1	962.6	2,780.1	1,801.8
Gross profit		446.2	398.4	714.9	627.6
Selling, administrative and general expenses		134.4	100.7	253.4	189.3
Gain on sale of property, plant & equipment and businesses		2.0	0.2	4.6	117.4
Other operating expense, net		(6.2)	(10.4)	(11.6)	(18.7)
Operating earnings		307.6	287.5	454.5	537.0
Other nonoperating income (expense), net		(4.7)	8.3	(3.0)	14.2
Interest expense, net		38.7	41.7	74.7	74.8
Earnings from continuing operations before income taxes		264.2	254.1	376.8	476.4
Income tax expense		63.7	57.3	82.4	118.0
Earnings from continuing operations		200.5	196.8	294.4	358.4
Loss on discontinued operations, net of tax		(13.1)	(1.5)	(14.9)	(2.4)
Net earnings		187.4	195.3	279.5	356.0
(Earnings) loss attributable to noncontrolling interest		(0.1)	(0.0)	(0.4)	(0.0)
Net earnings attributable to Vulcan		187.3	195.3	279.1	356.0
Other comprehensive income (loss), net of tax
Amortization of prior cash flow hedge loss		0.4	0.4	0.7	0.7
Amortization of actuarial loss and prior service cost for benefit plans		0.7	1.2	1.5	2.5
Other comprehensive income		1.1	1.6	2.2	3.2
Comprehensive income		188.5	196.9	281.7	359.2
Comprehensive (earnings) loss attributable to noncontrolling interest		(0.1)	(0.0)	(0.4)	(0.0)
Comprehensive income attributable to Vulcan		$ 188.4	$ 196.9	$ 281.3	$ 359.2
Basic earnings (loss) per share attributable to Vulcan
Continuing operations		$ 1.51	$ 1.48	$ 2.21	$ 2.70
Discontinued operations		(0.10)	(0.01)	(0.11)	(0.02)
Net earnings		1.41	1.47	2.10	2.68
Diluted earnings (loss) per share attributable to Vulcan
Continuing operations		1.50	1.47	2.20	2.69
Discontinued operations		(0.10)	(0.01)	(0.11)	(0.02)
Net earnings		$ 1.40	$ 1.46	$ 2.09	$ 2.67
Weighted-average common shares outstanding
Basic		133.0	132.8	133.0	132.8
Assuming dilution		133.5	133.5	133.6	133.5
Effective tax rate from continuing operations		24.10%	22.50%	21.90%	24.80%

[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.