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Revenues and Gross Profit (Tables) | 9 Months Ended
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Sep. 30, 2021
Revenues And Gross Profit [Abstract] |
Total Revenues and Gross Profit by Product Line | The following table, which is reconciled to consolidated amounts, provides total revenues and gross profit by product line.
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 30, |  |  | September 30, |
|  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
|  | (Dollars in Millions) |
Total revenues: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Building Materials business: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Products and services: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregates |  | $ | 857.1 |  |  | $ | 766.9 |  |  | $ | 2,231.5 |  |  | $ | 2,092.1 |
Cement |  |  | 132.3 |  |  |  | 115.6 |  |  |  | 358.4 |  |  |  | 331.7 |
Ready mixed concrete |  |  | 320.8 |  |  |  | 254.6 |  |  |  | 824.5 |  |  |  | 689.4 |
Asphalt and paving services |  |  | 195.9 |  |  |  | 129.8 |  |  |  | 343.5 |  |  |  | 254.9 |
Less: interproduct revenues |  |  | (115.3 | ) |  |  | (81.4 | ) |  |  | (285.1 | ) |  |  | (210.9 | )
Products and services |  |  | 1,390.8 |  |  |  | 1,185.5 |  |  |  | 3,472.8 |  |  |  | 3,157.2 |
Freight |  |  | 88.1 |  |  |  | 75.0 |  |  |  | 219.8 |  |  |  | 212.9 |
Total Building Materials business |  |  | 1,478.9 |  |  |  | 1,260.5 |  |  |  | 3,692.6 |  |  |  | 3,370.1 |
Magnesia Specialties: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Products and services |  |  | 71.9 |  |  |  | 55.2 |  |  |  | 207.1 |  |  |  | 164.0 |
Freight |  |  | 6.5 |  |  |  | 5.7 |  |  |  | 17.9 |  |  |  | 16.2 |
Total Magnesia Specialties |  |  | 78.4 |  |  |  | 60.9 |  |  |  | 225.0 |  |  |  | 180.2 |
Total |  | $ | 1,557.3 |  |  | $ | 1,321.4 |  |  | $ | 3,917.6 |  |  | $ | 3,550.3 |
Gross profit (loss): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Building Materials business: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Products and services: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregates |  | $ | 292.9 |  |  | $ | 279.1 |  |  | $ | 687.7 |  |  | $ | 640.4 |
Cement |  |  | 49.9 |  |  |  | 46.5 |  |  |  | 101.3 |  |  |  | 117.2 |
Ready mixed concrete |  |  | 31.4 |  |  |  | 24.7 |  |  |  | 69.9 |  |  |  | 56.7 |
Asphalt and paving services |  |  | 38.9 |  |  |  | 32.6 |  |  |  | 59.4 |  |  |  | 46.4 |
Products and services |  |  | 413.1 |  |  |  | 382.9 |  |  |  | 918.3 |  |  |  | 860.7 |
Freight |  |  | 1.3 |  |  |  | 0.9 |  |  |  | 1.7 |  |  |  | 0.3 |
Total Building Materials business |  |  | 414.4 |  |  |  | 383.8 |  |  |  | 920.0 |  |  |  | 861.0 |
Magnesia Specialties: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Products and services |  |  | 28.1 |  |  |  | 21.0 |  |  |  | 84.4 |  |  |  | 65.3 |
Freight |  |  | (1.1 | ) |  |  | (1.0 | ) |  |  | (3.0 | ) |  |  | (3.2 | )
Total Magnesia Specialties |  |  | 27.0 |  |  |  | 20.0 |  |  |  | 81.4 |  |  |  | 62.1 |
Corporate |  |  | 0.5 |  |  |  | 0.7 |  |  |  | 0.3 |  |  |  | 4.3 |
Total |  | $ | 441.9 |  |  | $ | 404.5 |  |  | $ | 1,001.7 |  |  | $ | 927.4 |

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