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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 |  |

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