CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Income Statement [Abstract]
Total revenues	$ 1,545.7	$ 1,649.0
Cost of revenues	(1,240.8)	(1,347.0)
Gross profit	304.9	302.0
Selling, administrative and general expenses	(129.7)	(117.3)
Gain on sale of property, plant & equipment and businesses	0.6	1.7
Other operating income (expense), net	(2.9)	0.8
Operating earnings	172.9	187.2
Other nonoperating income (expense), net	(0.3)	1.4
Interest expense, net	(39.1)	(49.0)
Earnings from continuing operations before income taxes	133.5	139.6
Income tax expense	(28.9)	(16.6)
Earnings from continuing operations	104.6	123.0
Loss on discontinued operations, net of tax	(1.7)	(2.1)
Net earnings	102.9	120.9
Earnings attributable to noncontrolling interest	(0.2)	(0.2)
Net earnings attributable to Vulcan	102.7	120.7
Other comprehensive income, net of tax
Amortization of prior cash flow hedge loss	0.4	0.4
Amortization of actuarial loss and prior service cost for benefit plans	1.3	1.3
Other comprehensive income	1.7	1.7
Comprehensive income	104.6	122.6
Comprehensive earnings attributable to noncontrolling interest	(0.2)	(0.2)
Comprehensive income attributable to Vulcan	$ 104.4	$ 122.4
Basic earnings (loss) per share attributable to Vulcan
Continuing operations (in usd per share)	$ 0.79	$ 0.92
Discontinued operations (in usd per share)	(0.01)	(0.01)
Net earnings (in usd per share)	0.78	0.91
Diluted earnings (loss) per share attributable to Vulcan
Continuing operations (in usd per share)	0.78	0.92
Discontinued operations (in usd per share)	(0.01)	(0.02)
Net earnings (in usd per share)	$ 0.77	$ 0.90
Weighted-average common shares outstanding
Basic (in shares)	132.4	133.2
Assuming dilution (in shares)	133.1	133.7
Effective tax rate from continuing operations	21.60%	11.90%