v3.26.1
Goodwill and Intangible Assets - Summary of Intangible Assets (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Finite-lived Intangible Assets [Roll Forward]    
Gross Carrying Value $ 2,344,891 $ 2,344,967
Accumulated Amortization 1,835,698 1,793,440
Total finite-lived intangible assets 509,193 551,527
Indefinite-lived Intangible Assets [Roll Forward]    
Indefinite-Lived Intangible Assets (Excluding Goodwill) 1,480,000 1,480,000
Indefinite-Lived Trade Names 442,400 442,400
Intangible Assets, Gross (Excluding Goodwill) 3,824,891 3,824,967
Other Intangible Assets Accumulated Amortization 1,835,698 1,793,440
Indefinite Lived Trade Names Impairment Charges 1,037,600 1,037,600
Intangible Assets Impairement Charges 1,037,600 1,037,600
Intangible Assets, Net (Including Goodwill) $ 951,593 $ 993,927
Client relationships [Member]    
Finite-lived Intangible Assets [Roll Forward]    
Weighted Average Useful Life 14 years 14 years
Gross Carrying Value $ 2,256,291 $ 2,256,367
Accumulated Amortization 1,762,270 1,722,227
Total finite-lived intangible assets $ 494,021 $ 534,140
Trade names [Member]    
Finite-lived Intangible Assets [Roll Forward]    
Weighted Average Useful Life 10 years 10 years
Gross Carrying Value $ 88,600 $ 88,600
Accumulated Amortization 73,428 71,213
Total finite-lived intangible assets $ 15,172 $ 17,387