v3.25.3
Segment Reporting - Revenues and Adjusted Segment Earnings before Interest, Taxes, Depreciation and Amortization for Reportable Segments (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Segment Reporting Information [Line Items]        
Revenues $ 956,167 $ 926,019 $ 2,798,111 $ 2,803,728
Total segment gross profit 317,934 297,940 909,809 911,866
Operating Segments        
Segment Reporting Information [Line Items]        
Revenues 956,167 926,019 2,798,111 2,803,728
Compensation expenses 560,661 543,556 1,654,060 1,639,263
Other segment items 77,572 84,523 234,242 252,599
Direct costs 638,233 628,079 1,888,302 1,891,862
Intersegment Eliminations        
Segment Reporting Information [Line Items]        
Revenues 5,000 4,300 12,900 12,000
Corporate Finance        
Segment Reporting Information [Line Items]        
Total segment gross profit 151,593 109,554 396,754 353,776
Corporate Finance | Operating Segments        
Segment Reporting Information [Line Items]        
Revenues 404,896 341,512 1,127,780 1,055,493
Compensation expenses 229,204 210,774 664,564 635,587
Other segment items 24,099 21,184 66,462 66,130
Direct costs 253,303 231,958 731,026 701,717
FLC        
Segment Reporting Information [Line Items]        
Total segment gross profit 74,415 55,278 212,813 168,530
FLC | Operating Segments        
Segment Reporting Information [Line Items]        
Revenues 194,689 168,778 571,808 514,348
Compensation expenses 114,996 105,584 340,359 321,896
Other segment items 5,278 7,916 18,636 23,922
Direct costs 120,274 113,500 358,995 345,818
Economic Consulting        
Segment Reporting Information [Line Items]        
Total segment gross profit 25,889 63,840 109,119 180,782
Economic Consulting | Operating Segments        
Segment Reporting Information [Line Items]        
Revenues 173,086 222,033 544,604 657,454
Compensation expenses 131,804 143,096 395,813 431,270
Other segment items 15,393 15,097 39,672 45,402
Direct costs 147,197 158,193 435,485 476,672
Technology        
Segment Reporting Information [Line Items]        
Total segment gross profit 31,919 38,827 89,552 118,896
Technology | Operating Segments        
Segment Reporting Information [Line Items]        
Revenues 94,081 110,404 274,836 326,992
Compensation expenses 37,242 38,691 110,892 114,267
Other segment items 24,920 32,886 74,392 93,829
Direct costs 62,162 71,577 185,284 208,096
Strategic Communications        
Segment Reporting Information [Line Items]        
Total segment gross profit 34,118 30,441 101,571 89,882
Strategic Communications | Operating Segments        
Segment Reporting Information [Line Items]        
Revenues 89,415 83,292 279,083 249,441
Compensation expenses 47,415 45,411 142,432 136,243
Other segment items 7,882 7,440 35,080 23,316
Direct costs $ 55,297 $ 52,851 $ 177,512 $ 159,559