Description of the Business and Summary of Significant Accounting Policies - Revenue recognition (Narrative) (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Organization, Consolidation and Presentation of Financial Statements [Abstract] | ||||
| Revenue, performance obligation, description of timing | one year or longer | |||
| Revenue recognized | $ 347.3 | $ 348.4 | $ 556.0 | $ 555.5 |
| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-07-01 | ||||
| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | ||||
| Remaining performance obligation | $ 816.8 | $ 816.8 | ||
| Performance obligation satisfaction period | 12 months | 12 months | ||