v3.26.1
Revenue recognition - Narrative (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Disaggregation of Revenue [Line Items]    
Revenue, remaining performance obligation, amount $ 268.7  
Contract with customer, asset, noncurrent 6.9 $ 6.4
Deferred revenue 15.0 $ 5.0
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-07-01    
Disaggregation of Revenue [Line Items]    
Revenue, remaining performance obligation, amount $ 247.7  
Revenue, remaining performance obligation, expected timing of satisfaction, period 24 months