v3.26.1
LONG-LIVED ASSETS (Definite-lived Intangibles) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Finite-lived Intangible Assets [Roll Forward]        
Gross carrying amount     $ 1,914,815  
Accumulated amortization     (836,362)  
Net     1,078,453  
Acquisitions and additions current year     260,270  
Acquisitions and additions prior year     $ 2,562  
Dispositions     (9,274)  
Foreign exchange     $ 12,603  
Other (2) [1]     (93,875)  
Net change     172,286  
Amortization $ (67,000) $ (64,700) $ (136,692) $ (124,700)
Finite Lived Intangible Assets Accumulated Amortization Dispositions     3,993  
Foreign exchange     $ (1,907)  
Other (2) [1]     89,855  
Net change     (44,751)  
Gross carrying amount 2,087,101   2,087,101  
Accumulated amortization (881,113)   (881,113)  
Net 1,205,988   1,205,988  
Revenue-generating contracts [Member]        
Finite-lived Intangible Assets [Roll Forward]        
Gross carrying amount     786,202  
Accumulated amortization     (335,483)  
Net     450,719  
Acquisitions and additions current year     92,410  
Acquisitions and additions prior year     $ 205  
Dispositions     (9,274)  
Foreign exchange     $ 11,837  
Other (2) [1]     (23,595)  
Net change     71,583  
Amortization     $ (48,548)  
Finite Lived Intangible Assets Accumulated Amortization Dispositions     3,993  
Foreign exchange     $ (3,875)  
Other (2) [1]     23,538  
Net change     (24,892)  
Gross carrying amount 857,785   857,785  
Accumulated amortization (360,375)   (360,375)  
Net 497,410   497,410  
Client/vendor relationships [Member]        
Finite-lived Intangible Assets [Roll Forward]        
Gross carrying amount     731,488  
Accumulated amortization     (334,693)  
Net     396,795  
Acquisitions and additions current year     93,843  
Acquisitions and additions prior year     $ 1,015  
Dispositions     —  
Foreign exchange     $ (513)  
Other (2) [1]     (38,638)  
Net change     55,707  
Amortization     $ (60,883)  
Finite Lived Intangible Assets Accumulated Amortization Dispositions     —  
Foreign exchange     $ 2,457  
Other (2) [1]     38,631  
Net change     (19,795)  
Gross carrying amount 787,195   787,195  
Accumulated amortization (354,488)   (354,488)  
Net 432,707   432,707  
Venue Management        
Finite-lived Intangible Assets [Roll Forward]        
Gross carrying amount     242,430  
Accumulated amortization     (91,472)  
Net     150,958  
Acquisitions and additions current year     74,017  
Acquisitions and additions prior year     $ (559)  
Dispositions     —  
Foreign exchange     $ (1,067)  
Other (2) [1]     (8,391)  
Net change     64,000  
Amortization     $ (16,148)  
Finite Lived Intangible Assets Accumulated Amortization Dispositions     —  
Foreign exchange     $ 617  
Other (2) [1]     8,193  
Net change     (7,338)  
Gross carrying amount 306,430   306,430  
Accumulated amortization (98,810)   (98,810)  
Net 207,620   207,620  
Trademarks and naming rights [Member]        
Finite-lived Intangible Assets [Roll Forward]        
Gross carrying amount     103,289  
Accumulated amortization     (52,658)  
Net     50,631  
Acquisitions and additions current year     0  
Acquisitions and additions prior year     $ 0  
Dispositions     —  
Foreign exchange     $ 2,236  
Other (2) [1]     (571)  
Net change     1,665  
Amortization     $ (6,252)  
Finite Lived Intangible Assets Accumulated Amortization Dispositions     —  
Foreign exchange     $ (1,097)  
Other (2) [1]     564  
Net change     (6,785)  
Gross carrying amount 104,954   104,954  
Accumulated amortization (59,443)   (59,443)  
Net 45,511   45,511  
Technology and Other intangible assets [Member]        
Finite-lived Intangible Assets [Roll Forward]        
Gross carrying amount     51,406  
Accumulated amortization [2]     (22,056)  
Net [2]     29,350  
Acquisitions and additions current year [2]     0  
Acquisitions and additions prior year [2]     $ 1,901  
Dispositions     —  
Foreign exchange [2]     $ 110  
Other (2) [1],[2]     (22,680)  
Net change [2]     (20,669)  
Amortization [2]     $ (4,861)  
Finite Lived Intangible Assets Accumulated Amortization Dispositions     —  
Foreign exchange [2]     $ (9)  
Other (2) [1],[2]     18,929  
Net change [2]     14,059  
Gross carrying amount [2] 30,737   30,737  
Accumulated amortization [2] (7,997)   (7,997)  
Net [2] $ 22,740   $ 22,740  
[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.