v3.26.1
Income taxes - Narrative (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Income Tax Disclosure [Abstract]    
Unrecognized tax benefits and related interest and penalties $ 104.5 $ 103.3
Unrecognized tax benefits 80.4 81.0
Interest and related penalties $ 24.1 $ 22.3