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Segment Information - Results (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Dec. 31, 2023
Segment Reporting Information |  |  |
Total net sales | $ 4,694,003 | $ 4,893,206 |
Operating income (loss) | 750,975 | 835,360 |
Income (loss) before income taxes | 765,781 | 847,789 |
Depreciation and amortization | 115,252 | 107,694 |
Capital expenditures | 374,310 | 226,319 |
Assets | 15,026,750 |  | $ 14,908,420
U.S. |  |  |
Segment Reporting Information |  |  |
Total net sales | 4,278,488 | 4,451,020 |
Non-U.S. |  |  |
Segment Reporting Information |  |  |
Total net sales | 415,515 | 442,186 |
Operating Segment | Steel Operations |  |  |
Segment Reporting Information |  |  |
Total net sales | 3,514,528 | 3,171,699 |
Operating income (loss) | 670,931 | 341,908 |
Income (loss) before income taxes | 674,812 | 343,089 |
Depreciation and amortization | 87,507 | 84,532 |
Capital expenditures | 95,833 | 120,628 |
Assets | 8,890,778 |  |
Operating Segment | Steel Operations | Other segments |  |  |
Segment Reporting Information |  |  |
Total net sales | 148,291 | 83,209 |
Operating Segment | Steel Operations | U.S. |  |  |
Segment Reporting Information |  |  |
Total net sales | 3,133,610 | 2,847,248 |
Operating Segment | Steel Operations | Non-U.S. |  |  |
Segment Reporting Information |  |  |
Total net sales | 232,627 | 241,242 |
Operating Segment | Metals Recycling Operations |  |  |
Segment Reporting Information |  |  |
Total net sales | 1,094,041 | 1,161,927 |
Operating income (loss) | 18,728 | 39,688 |
Income (loss) before income taxes | 21,509 | 45,549 |
Depreciation and amortization | 18,470 | 14,365 |
Capital expenditures | 31,864 | 19,697 |
Assets | 1,507,536 |  |
Operating Segment | Metals Recycling Operations | Other segments |  |  |
Segment Reporting Information |  |  |
Total net sales | 524,568 | 578,459 |
Operating Segment | Metals Recycling Operations | U.S. |  |  |
Segment Reporting Information |  |  |
Total net sales | 390,923 | 382,803 |
Operating Segment | Metals Recycling Operations | Non-U.S. |  |  |
Segment Reporting Information |  |  |
Total net sales | 178,550 | 200,665 |
Operating Segment | Steel Fabrication Operations |  |  |
Segment Reporting Information |  |  |
Total net sales | 451,763 | 868,804 |
Operating income (loss) | 178,340 | 551,272 |
Income (loss) before income taxes | 178,367 | 551,412 |
Depreciation and amortization | 2,682 | 2,331 |
Capital expenditures | 5,436 | 4,496 |
Assets | 768,832 |  |
Operating Segment | Steel Fabrication Operations | Other segments |  |  |
Segment Reporting Information |  |  |
Total net sales | 4,584 | 36 |
Operating Segment | Steel Fabrication Operations | U.S. |  |  |
Segment Reporting Information |  |  |
Total net sales | 446,096 | 868,702 |
Operating Segment | Steel Fabrication Operations | Non-U.S. |  |  |
Segment Reporting Information |  |  |
Total net sales | 1,083 | 66 |
Operating Segment | Aluminum Operations |  |  |
Segment Reporting Information |  |  |
Operating income (loss) | (13,531) | (2,422) |
Income (loss) before income taxes | (13,811) | (2,406) |
Depreciation and amortization | 20 |  |
Capital expenditures | 237,328 | 74,820 |
Assets | 1,606,906 |  |
Operating Segment | Other |  |  |
Segment Reporting Information |  |  |
Total net sales | 311,114 | 352,480 |
Operating income (loss) | (97,872) | (96,666) |
Income (loss) before income taxes | (89,073) | (91,079) |
Depreciation and amortization | 6,573 | 6,466 |
Capital expenditures | 3,849 | 6,678 |
Assets | 3,121,797 |  |
Operating Segment | Other | U.S. |  |  |
Segment Reporting Information |  |  |
Total net sales | 307,859 | 352,267 |
Operating Segment | Other | Non-U.S. |  |  |
Segment Reporting Information |  |  |
Total net sales | 3,255 | 213 |
Eliminations |  |  |
Segment Reporting Information |  |  |
Total net sales | (677,443) | (661,704) |
Operating income (loss) | (5,621) | 1,580 |
Income (loss) before income taxes | (6,023) | 1,224 |
Assets | (869,099) |  |
Eliminations | Other segments |  |  |
Segment Reporting Information |  |  |
Total net sales | $ (677,443) | $ (661,704) |

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