Business and Significant Accounting Policies - Narrative (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2025 USD ($) country segment enterprise	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Business and Significant Accounting Policies [Line Items]
Number of enterprises served (nearly) | enterprise	13,000
Number of countries in which entity operates | country	90
Number of reportable segments | segment	3
Loss on impairment of lease related assets, net	$ 4,766	$ 10,909	$ 20,368
Depreciation expense	118,015	112,083	98,645
Net capitalized development costs for internal use software	101,800	122,000
Amortization of capitalized internal software development costs	68,400	60,100	47,800
Goodwill impairment	150,000	0	0
Foreign currency transaction gains/ (losses)	6,000	(6,900)	(6,000)
Derivative instruments, gain (loss) recognized in income, net	(16,116)	(12,676)	(14,226)
Proceeds from event cancellation insurance claims		300,000	3,100
Digital Markets Reporting Unit
Business and Significant Accounting Policies [Line Items]
Goodwill impairment	150,000
Foreign currency exchange contracts
Business and Significant Accounting Policies [Line Items]
Derivative instruments, gain (loss) recognized in income, net	(3,400)	2,500	1,900
Selling, general and administrative
Business and Significant Accounting Policies [Line Items]
Loss on impairment of lease related assets, net	$ 4,800	$ 10,900	$ 20,400