v3.26.1
EQUITY - Schedule of Changes in Total Equity (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Cash dividend on common stock (in usd per share) $ 0.52 $ 0.49    
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Balance at beginning of period     $ 8,548.9  
Net earnings attributable to Vulcan $ 324.3 $ 320.8 490.3 $ 450.2
Other comprehensive income 1.5 1.5 2.9 2.9
Balance at end of period 8,488.6 8,429.7 8,488.6 8,429.7
Parent        
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Balance at beginning of period 8,451.3 8,134.1 8,525.1 8,118.6
Net earnings attributable to Vulcan 323.4 320.9 488.9 449.8
Share-based compensation plans, net of shares withheld for taxes (0.5) (4.0) (38.4) (28.6)
Purchase and retirement of common stock, including excise taxes (252.7) (0.0) (403.1) (38.1)
Share-based compensation expense 9.2 19.1 24.7 33.0
Cash dividends on common stock ($0.52/$0.49 per share, respectively) (67.5) (64.7) (135.4) (130.7)
Other comprehensive income 1.5 1.5 2.9 2.9
Balance at end of period 8,464.7 8,406.9 8,464.7 8,406.9
Noncontrolling Interest        
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Balance at beginning of period 24.4 24.4 23.8 23.9
Net earnings attributable to Vulcan 0.9 (0.1) 1.4 0.4
Distribution to noncontrolling interest (1.4) (1.5) (1.4) (1.5)
Other noncontrolling interest 0.0 0.0 0.1 0.0
Balance at end of period $ 23.9 $ 22.8 $ 23.9 $ 22.8