SEGMENT INFORMATION - Schedule of Reconciliation of Segment Profitability (Detail) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended	9 Months Ended
Oct. 31, 2024	Sep. 30, 2024	Mar. 31, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Segment Reporting Information [Line Items]
Depreciation and amortization					$ (416,556)	$ (171,715)
Legal settlement	$ (125,000)		$ (335,000)		(375,000)
Tax receivable agreement liability adjustment		$ (16)		$ (20,297)	(2,460)	(7,779)
(Loss) income from continuing operations before income taxes and equity losses of affiliates		(67,319)		(93,389)	(373,495)	806,085
Operating Segments [Member]
Segment Reporting Information [Line Items]
Adjusted EBITDA		277,598		286,140	1,038,917	874,227
Equity losses (earnings) of affiliates		1,763		(1,846)	(469)	2,594
Interest expense, net		(108,134)		(82,271)	(302,531)	(257,811)
Depreciation and amortization		(135,524)		(66,602)	(416,556)	(171,715)
Equity-based compensation expense		(50,831)		(61,441)	(162,559)	(200,984)
Merger, acquisition and earn-out costs		(33,849)		(76,032)	(91,031)	(105,770)
Certain legal costs		(6,790)		(8,322)	(26,622)	(12,233)
Legal settlement		(40,000)		0	(375,000)	0
Restructuring, severance and impairment		(5,362)		(48,852)	(65,776)	(70,788)
Fair value adjustment - equity investments		(63)		148	37	929
Net gain on sale of the Academy business		0		0	0	736,978
Tax receivable agreement liability adjustment		(16)		(20,297)	(2,460)	(7,779)
Other		33,889		(14,014)	30,555	18,437
Operating Segments [Member] \| Owned Sports Properties [Member]
Segment Reporting Information [Line Items]
Adjusted EBITDA		315,474		237,417	1,037,273	602,322
Operating Segments [Member] \| Events, Experiences & Rights [Member]
Segment Reporting Information [Line Items]
Adjusted EBITDA		(67,970)		29,846	(40,804)	214,420
Operating Segments [Member] \| Representation [Member]
Segment Reporting Information [Line Items]
Adjusted EBITDA		124,917		96,325	297,502	287,680
Operating Segments [Member] \| Corporate and other [Member]
Segment Reporting Information [Line Items]
Adjusted EBITDA		$ (94,823)		$ (77,448)	$ (255,054)	$ (230,195)

Adjusted earnings before interest, taxes, depreciation, and amortization.

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