Annual report [Section 13 and 15(d), not S-K Item 405]

LONG-LIVED ASSETS (Definite-lived Intangibles) (Details)

v3.25.4
LONG-LIVED ASSETS (Definite-lived Intangibles) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Finite-lived Intangible Assets [Roll Forward]      
Gross carrying amount - beginning of period $ 1,807,071 $ 1,939,194  
Accumulated amortization - beginning of period (821,259) (777,573)  
Net 985,812 1,161,621  
Acquisitions and additions current year 301,569 171,014  
Acquisitions and additions prior year 165 4,895  
Foreign exchange 116,089 (151,747)  
Other (2) [1] (310,079) (156,285)  
Net change 107,744 (132,123)  
Amortization of Intangible Assets 264,571 249,259 $ 237,600
Foreign exchange (45,669) 48,714  
Other (2) [1] 295,137 156,860  
Net change (15,103) (43,685)  
Gross carrying amount - end of period 1,914,815 1,807,071 1,939,194
Accumulated amortization (836,362) (821,259) (777,573)
Net $ 1,078,453 $ 985,812 1,161,621
Weighted Average Useful Life of Finite-lived Intangible Assets, 6 years 7 years  
Estimate of amortization expense for each of the five succeeding fiscal years [Abstract]      
2026 $ 248,128    
2027 213,169    
2028 181,755    
2029 153,145    
2030 103,539    
Revenue-generating contracts [Member]      
Finite-lived Intangible Assets [Roll Forward]      
Gross carrying amount - beginning of period 819,594 $ 925,257  
Accumulated amortization - beginning of period (339,298) (336,625)  
Net 480,296 588,632  
Acquisitions and additions current year 52,409 68,453  
Acquisitions and additions prior year 0 826  
Foreign exchange 74,948 (96,995)  
Other (2) [1] (160,749) (77,947)  
Net change (33,392) (105,663)  
Amortization of Intangible Assets 107,524 111,711  
Foreign exchange (29,106) 29,331  
Other (2) [1] 140,445 79,707  
Net change 3,815 (2,673)  
Gross carrying amount - end of period 786,202 819,594 925,257
Accumulated amortization (335,483) (339,298) (336,625)
Net $ 450,719 $ 480,296 588,632
Weighted Average Useful Life of Finite-lived Intangible Assets, 5 years 9 years  
Client vendor relationships [Member]      
Finite-lived Intangible Assets [Roll Forward]      
Gross carrying amount - beginning of period $ 567,572 $ 583,436  
Accumulated amortization - beginning of period (286,381) (251,649)  
Net 281,191 331,787  
Acquisitions and additions current year 203,456 52,406  
Acquisitions and additions prior year 165 4,066  
Foreign exchange 24,818 (32,993)  
Other (2) [1] (64,523) (39,343)  
Net change 163,916 (15,864)  
Amortization of Intangible Assets 102,548 86,637  
Foreign exchange (10,085) 12,013  
Other (2) [1] 64,321 39,892  
Net change (48,312) (34,732)  
Gross carrying amount - end of period 731,488 567,572 583,436
Accumulated amortization (334,693) (286,381) (251,649)
Net $ 396,795 $ 281,191 331,787
Weighted Average Useful Life of Finite-lived Intangible Assets, 6 years 5 years  
Venue management and leaseholds [Member]      
Finite-lived Intangible Assets [Roll Forward]      
Gross carrying amount - beginning of period $ 231,180 $ 226,788  
Accumulated amortization - beginning of period (76,945) (79,218)  
Net 154,235 147,570  
Acquisitions and additions current year 22,529 35,273  
Acquisitions and additions prior year 0 3  
Foreign exchange 6,882 (6,954)  
Other (2) [1] (18,161) (23,930)  
Net change 11,250 4,392  
Amortization of Intangible Assets 30,033 23,978  
Foreign exchange (2,774) 2,185  
Other (2) [1] 18,280 24,066  
Net change (14,527) 2,273  
Gross carrying amount - end of period 242,430 231,180 226,788
Accumulated amortization (91,472) (76,945) (79,218)
Net $ 150,958 $ 154,235 147,570
Weighted Average Useful Life of Finite-lived Intangible Assets, 3 years 6 years  
Trademarks and naming rights [Member]      
Finite-lived Intangible Assets [Roll Forward]      
Gross carrying amount - beginning of period $ 162,488 $ 183,493  
Accumulated amortization - beginning of period (104,968) (104,036)  
Net 57,520 79,457  
Acquisitions and additions current year 2,241 7,331  
Acquisitions and additions prior year 0 0  
Foreign exchange 8,354 (14,096)  
Other (2) [1] (69,794) (14,240)  
Net change (59,199) (21,005)  
Amortization of Intangible Assets 14,270 17,791  
Foreign exchange (3,225) 5,096  
Other (2) [1] 69,805 11,763  
Net change 52,310 (932)  
Gross carrying amount - end of period 103,289 162,488 183,493
Accumulated amortization (52,658) (104,968) (104,036)
Net $ 50,631 $ 57,520 79,457
Weighted Average Useful Life of Finite-lived Intangible Assets, 5 years 6 years  
Technology [Member]      
Finite-lived Intangible Assets [Roll Forward]      
Gross carrying amount - beginning of period $ 26,237 $ 20,220  
Accumulated amortization - beginning of period (13,667) (6,045)  
Net 12,570 14,175  
Acquisitions and additions current year 20,934 7,551  
Acquisitions and additions prior year 0 0  
Foreign exchange 1,087 (709)  
Other (2) 3,148 (825)  
Net change 25,169 6,017  
Amortization of Intangible Assets 10,196 9,142  
Foreign exchange (479) 89  
Other (2) 2,286 1,432  
Net change (8,389) (7,621)  
Gross carrying amount - end of period 51,406 26,237 20,220
Accumulated amortization (22,056) (13,667) (6,045)
Net $ 29,350 $ 12,570 14,175
Weighted Average Useful Life of Finite-lived Intangible Assets, 5 years 3 years  
Other Intangible Assets [Member]      
Finite-lived Intangible Assets [Roll Forward]      
Gross carrying amount - beginning of period [2] $ 26,237 $ 20,220  
Accumulated amortization - beginning of period [2] (13,667) (6,045)  
Net [2] 12,570 14,175  
Acquisitions and additions current year [2] 20,934 7,551  
Acquisitions and additions prior year [2] 0 0  
Foreign exchange [2] 1,087 (709)  
Other (2) [2] 3,148 (825)  
Net change [2] 25,169 6,017  
Amortization of Intangible Assets [2] 10,196 9,142  
Foreign exchange [2] (479) 89  
Other (2) [2] 2,286 1,432  
Net change [2] (8,389) (7,621)  
Gross carrying amount - end of period [2] 51,406 26,237 20,220
Accumulated amortization [2] (22,056) (13,667) (6,045)
Net [2] $ 29,350 $ 12,570 $ 14,175
[1] Other primarily includes netdowns of fully amortized or impaired assets as well as mark-to-market adjustments of crypto assets.
[2] Other primarily includes crypto assets and intangible assets for non-compete agreements.