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Goodwill and Intangible Assets - Changes in Carrying Amounts of Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2026	Jun. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Goodwill [Roll Forward]
Beginning balance				$ 1,346,964
Goodwill acquired				3,155
Goodwill impairment	$ (29,550)		$ (17,579)	(84,389)	$ (17,579)
Purchase accounting adjustments				(608)
Foreign exchange translation				(3,980)
Ending balance	1,261,142			1,261,142
Technology & Shopping
Goodwill [Roll Forward]
Beginning balance				321,802
Goodwill acquired				2,760
Goodwill impairment	(29,600)			(29,550)
Purchase accounting adjustments				0
Foreign exchange translation				(2,359)
Ending balance	292,653			292,653
Gaming & Entertainment
Goodwill [Roll Forward]
Beginning balance				80,526
Goodwill acquired				0
Goodwill impairment				0
Purchase accounting adjustments				(171)
Foreign exchange translation				140
Ending balance	80,495			80,495
Health & Wellness
Goodwill [Roll Forward]
Beginning balance				404,598
Goodwill acquired				395
Goodwill impairment		$ (54,800)		(54,839)
Purchase accounting adjustments				(437)
Foreign exchange translation				1,254
Ending balance	350,971			350,971
Cybersecurity & Martech
Goodwill [Roll Forward]
Beginning balance				540,038
Goodwill acquired				0
Goodwill impairment				0
Purchase accounting adjustments				0
Foreign exchange translation				(3,015)
Ending balance	$ 537,023			$ 537,023