SEGMENT INFORMATION (Schedule of Reconciliation of Segment Profitability) (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
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| Segment Reporting Information [Line Items] | ||||||||||||||||||
| Adjusted EBITDA | $ 555,813 | $ 360,210 | $ 1,755,449 | $ 1,304,076 | ||||||||||||||
| Equity loss (earnings) of affiliates | 2,667 | (1,622) | 5,468 | (11,456) | ||||||||||||||
| Depreciation and amortization | (335,266) | (329,063) | ||||||||||||||||
| Foreign exchange gains and (losses) | [1] | 3,856 | 2,231 | 6,450 | (12,747) | |||||||||||||
| Other adjustments | 9,512 | (3,182) | 16,156 | (19,406) | ||||||||||||||
| Income before income taxes and equity earnings of affiliates | 317,143 | 117,939 | 960,888 | 614,412 | ||||||||||||||
| Corporate and Other [Member] | ||||||||||||||||||
| Segment Reporting Information [Line Items] | ||||||||||||||||||
| Adjusted EBITDA | (62,608) | (74,756) | (198,196) | (229,209) | ||||||||||||||
| Operating Segments [Member] | ||||||||||||||||||
| Segment Reporting Information [Line Items] | ||||||||||||||||||
| Adjusted EBITDA | 618,421 | 434,966 | 1,953,645 | 1,533,285 | ||||||||||||||
| Operating Segments [Member] | UFC Segment [Member] | ||||||||||||||||||
| Segment Reporting Information [Line Items] | ||||||||||||||||||
| Adjusted EBITDA | 285,328 | 165,656 | 820,253 | 637,841 | ||||||||||||||
| Operating Segments [Member] | WWE Segment [Member] | ||||||||||||||||||
| Segment Reporting Information [Line Items] | ||||||||||||||||||
| Adjusted EBITDA | 217,245 | 207,817 | 841,616 | 731,496 | ||||||||||||||
| Operating Segments [Member] | IMG Segment [Member] | ||||||||||||||||||
| Segment Reporting Information [Line Items] | ||||||||||||||||||
| Adjusted EBITDA | 115,848 | 61,493 | 291,776 | 163,948 | ||||||||||||||
| Reconciling Items [Member] | ||||||||||||||||||
| Segment Reporting Information [Line Items] | ||||||||||||||||||
| Equity loss (earnings) of affiliates | 2,667 | (1,622) | 5,468 | (11,456) | ||||||||||||||
| Interest expense, net | (69,945) | (50,842) | (201,129) | (143,814) | ||||||||||||||
| Depreciation and amortization | (92,964) | (129,131) | (335,266) | (329,063) | ||||||||||||||
| Equity-based compensation expense | [2] | (39,648) | (19,898) | (119,630) | (83,165) | |||||||||||||
| Merger, acquisition and earn out costs | [3] | (5,195) | (4,522) | (14,564) | (48,562) | |||||||||||||
| Certain legal costs | [4] | (34,621) | (19,239) | (128,891) | (35,390) | |||||||||||||
| Restructuring, severance and impairment | [5] | $ (6,392) | $ (4,980) | $ (7,490) | $ (10,804) | |||||||||||||
| Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration] | Selling, General and Administrative Expense | Selling, General and Administrative Expense | Selling, General and Administrative Expense | Selling, General and Administrative Expense | ||||||||||||||
| Debt transaction costs | [6] | $ 0 | $ (8,732) | $ (2,455) | $ (8,732) | |||||||||||||
| Other adjustments | [7] | $ 3,572 | $ (5,536) | $ 2,946 | $ (5,931) | |||||||||||||
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