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SEGMENT REPORTING - Segment Financial Disclosure (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Dec. 31, 2023
Dec. 31, 2022
Segment Reporting Information [Line Items]            
Total revenues $ 2,014.4 $ 2,112.9 $ 3,560.1 $ 3,761.8    
Gross Profit 592.2 583.3 897.2 885.3    
Depreciation, Depletion, Accretion and Amortization (DDA&A) 156.8 154.9 307.7 303.3    
Total assets 14,216.4 14,333.6 14,216.4 14,333.6 $ 14,545.7  
Cash and cash equivalents and restricted cash 111.6 168.2 111.6 168.2 $ 949.2 $ 161.5
Segment sales            
Segment Reporting Information [Line Items]            
Total revenues 2,132.0 2,261.7 3,757.8 4,013.2    
Total assets 13,729.4 13,838.2 13,729.4 13,838.2    
Intersegment sales            
Segment Reporting Information [Line Items]            
Total revenues (117.6) (148.8) (197.7) (251.4)    
Other            
Segment Reporting Information [Line Items]            
Depreciation, Depletion, Accretion and Amortization (DDA&A) 5.9 6.9 12.3 13.6    
General corporate assets            
Segment Reporting Information [Line Items]            
Total assets 375.4 327.2 375.4 327.2    
Aggregates            
Segment Reporting Information [Line Items]            
Total revenues 1,495.9 1,432.0 2,707.2 2,626.0    
Aggregates | Segment sales            
Segment Reporting Information [Line Items]            
Total revenues 1,613.5 1,580.8 2,904.9 2,877.4    
Gross Profit 528.5 499.7 831.8 803.2    
Depreciation, Depletion, Accretion and Amortization (DDA&A) 128.0 119.6 251.5 232.0    
Total assets 12,088.2 11,658.2 12,088.2 11,658.2    
Aggregates | Intersegment sales            
Segment Reporting Information [Line Items]            
Total revenues (117.6) (148.8) (197.7) (251.4)    
Asphalt            
Segment Reporting Information [Line Items]            
Total revenues 351.2 337.4 537.4 507.1    
Asphalt | Segment sales            
Segment Reporting Information [Line Items]            
Total revenues 351.2 337.4 537.4 507.1    
Gross Profit 59.0 56.6 63.7 57.4    
Depreciation, Depletion, Accretion and Amortization (DDA&A) 11.0 8.9 19.8 17.8    
Total assets 737.6 647.1 737.6 647.1    
Asphalt | Intersegment sales            
Segment Reporting Information [Line Items]            
Total revenues 0.0 0.0 0.0 0.0    
Concrete            
Segment Reporting Information [Line Items]            
Total revenues 167.3 343.5 315.5 628.7    
Concrete | Segment sales            
Segment Reporting Information [Line Items]            
Total revenues 167.3 343.5 315.5 628.7    
Gross Profit 4.7 27.0 1.7 24.7    
Depreciation, Depletion, Accretion and Amortization (DDA&A) 11.9 19.5 24.1 39.9    
Total assets 903.6 1,532.9 903.6 1,532.9    
Concrete | Intersegment sales            
Segment Reporting Information [Line Items]            
Total revenues $ 0.0 $ 0.0 $ 0.0 $ 0.0