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Goodwill
 12 Months Ended
Dec. 31, 2025
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill Goodwill
The change in the carrying amount of goodwill for the years ended December 31, 2025, 2024 and 2023 is as follows:
December 31, 2025December 31, 2024December 31, 2023
(in thousands)
Opening balance$9,051,410 $9,022,075 $8,971,670 
Current period acquisitions (Note 6)— 46,126 36,750 
Prior period acquisition (Note 6)5,109 — — 
Impairment(364,248)— — 
Foreign exchange movement39,418 (16,791)13,655 
Closing balance$8,731,689 $9,051,410 $9,022,075 
During the year ended December 31, 2025, the Company recorded a total goodwill impairment charge of $364.2 million (December 31, 2024: $nil; December 31, 2023: $nil) in the Consolidated Statements of Operations related to the Data Solutions reporting unit. This represented the entire balance of goodwill attributed to the Data Solutions reporting unit. The Company performed a quantitative impairment assessment using a discounted cash flow method under the income approach to estimate the fair values of each reporting unit, no impairment was identified in the Company’s other reporting units.