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Revenues and Gross Profit (Tables) | 3 Months Ended
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Mar. 31, 2019
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 |
|  | March 31, |
|  | 2019 |  |  | 2018 |
|  | (Dollars in Thousands) |
Total revenues: |  |  |  |  |  |  |  |
Building Materials Business: |  |  |  |  |  |  |  |
Products and services: |  |  |  |  |  |  |  |
Aggregates |  | $ | 541,473 |  |  | $ | 425,016 |
Cement |  |  | 99,017 |  |  |  | 89,183 |
Ready mixed concrete |  |  | 211,156 |  |  |  | 218,537 |
Asphalt and paving services |  |  | 15,846 |  |  |  | 16,365 |
Less: interproduct revenues |  |  | (58,361 | ) |  |  | (60,665 | )
Products and services |  |  | 809,131 |  |  |  | 688,436 |
Freight |  |  | 55,750 |  |  |  | 44,306 |
Total Building Materials Business |  |  | 864,881 |  |  |  | 732,742 |
Magnesia Specialties: |  |  |  |  |  |  |  |
Products and services |  |  | 69,174 |  |  |  | 64,869 |
Freight |  |  | 4,900 |  |  |  | 4,393 |
Total Magnesia Specialties |  |  | 74,074 |  |  |  | 69,262 |
Total |  | $ | 938,955 |  |  | $ | 802,004 |
Gross profit (loss): |  |  |  |  |  |  |  |
Building Materials Business: |  |  |  |  |  |  |  |
Products and services: |  |  |  |  |  |  |  |
Aggregates |  | $ | 97,562 |  |  | $ | 53,002 |
Cement |  |  | 13,779 |  |  |  | 23,734 |
Ready mixed concrete |  |  | 14,492 |  |  |  | 15,641 |
Asphalt and paving services |  |  | (7,829 | ) |  |  | (7,639 | )
Products and services |  |  | 118,004 |  |  |  | 84,738 |
Freight |  |  | (165 | ) |  |  | (119 | )
Total Building Materials Business |  |  | 117,839 |  |  |  | 84,619 |
Magnesia Specialties: |  |  |  |  |  |  |  |
Products and services |  |  | 26,607 |  |  |  | 25,063 |
Freight |  |  | (1,065 | ) |  |  | (1,174 | )
Total Magnesia Specialties |  |  | 25,542 |  |  |  | 23,889 |
Corporate |  |  | (474 | ) |  |  | 1,884 |
Total |  | $ | 142,907 |  |  | $ | 110,392 |

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