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SEGMENT REPORTING - Reportable Segment Information (Details) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2025 USD ($) employee | Sep. 30, 2024 USD ($) employee | Sep. 30, 2025 USD ($) employee | Sep. 30, 2024 USD ($) employee | Dec. 31, 2024 USD ($)
Segment Reporting Information [Line Items] |  |  |  |  |
Total revenues | $ 4,136,846 | $ 4,644,641 | $ 12,320,129 | $ 13,540,300 |
Personnel expenses | 349,302 | 361,559 | 1,033,177 | 1,101,868 |
Other selling, general, and administrative expenses | 135,939 | 193,575 | 425,611 | 493,181 |
Income from operations | 220,836 | 180,119 | 613,608 | 485,342 |
Interest and other income/expense, net | (15,602) | (36,282) | (57,679) | (74,587) |
Income before provision for income taxes | 205,234 | 143,837 | 555,929 | 410,755 |
Depreciation and amortization | 25,829 | 23,948 | 76,337 | 72,880 |
Total assets | $ 5,227,854 | $ 5,613,355 | $ 5,227,854 | $ 5,613,355 | $ 5,297,926
Average headcount (employee) | employee | 12,559 | 14,085 | 12,953 | 14,537 |
Transportation and logistics services |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total revenues | $ 3,783,535 | $ 4,278,300 | $ 11,252,110 | $ 12,482,818 |
Purchased products and services | 3,112,683 | 3,575,983 | 9,286,694 | 10,501,362 |
Operating Segments |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total revenues | 3,752,041 | 4,075,807 | 11,111,376 | 11,845,889 |
Income from operations | 221,899 | 236,882 | 623,834 | 559,413 |
Corporate And Reconciling Items |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total revenues | 384,805 | 568,834 | 1,208,753 | 1,694,411 |
Income from operations | (1,063) | (56,763) | (10,226) | (74,071) |
Depreciation and amortization | 18,705 | 16,436 | 55,262 | 48,856 |
Total assets | $ 1,015,845 | $ 1,020,897 | $ 1,015,845 | $ 1,020,897 |
Average headcount (employee) | employee | 3,127 | 3,938 | 3,339 | 4,023 |
NAST | Operating Segments |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total revenues | $ 2,965,694 | $ 2,934,617 | $ 8,752,341 | $ 8,924,839 |
Personnel expenses | 162,086 | 164,122 | 483,070 | 510,110 |
Other selling, general, and administrative expenses | 109,175 | 107,775 | 331,101 | 328,557 |
Income from operations | 172,878 | 148,767 | 480,540 | 398,764 |
Depreciation and amortization | 4,874 | 4,904 | 14,498 | 15,779 |
Total assets | $ 2,978,317 | $ 3,026,031 | $ 2,978,317 | $ 3,026,031 |
Average headcount (employee) | employee | 5,187 | 5,595 | 5,234 | 5,800 |
NAST | Operating Segments | Transportation and logistics services |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Purchased products and services | $ 2,521,555 | $ 2,513,953 | $ 7,457,630 | $ 7,687,408 |
Global Forwarding | Operating Segments |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total revenues | 786,347 | 1,141,190 | 2,359,035 | 2,921,050 |
Personnel expenses | 92,507 | 92,419 | 268,295 | 279,077 |
Other selling, general, and administrative expenses | 50,227 | 54,102 | 152,375 | 159,022 |
Income from operations | 49,021 | 88,115 | 143,294 | 160,649 |
Depreciation and amortization | 2,250 | 2,608 | 6,577 | 8,245 |
Total assets | $ 1,233,692 | $ 1,566,427 | $ 1,233,692 | $ 1,566,427 |
Average headcount (employee) | employee | 4,245 | 4,552 | 4,380 | 4,714 |
Global Forwarding | Operating Segments | Transportation and logistics services |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Purchased products and services | $ 594,592 | $ 906,554 | $ 1,795,071 | $ 2,322,302 |
All Other and Corporate | Corporate And Reconciling Items |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total revenues | $ 384,805 | $ 568,834 | $ 1,208,753 | $ 1,694,411 |

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