Share-Based Compensation - Schedule of Share-Based Payment Arrangement Activity Expensed (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||||
| Share-based compensation expense, before tax | $ 6.0 | $ 5.4 | $ 12.4 | $ 11.3 |
| Income tax benefit | (1.4) | (1.3) | (3.0) | (2.7) |
| Share-based compensation expense, after tax | 4.6 | 4.1 | 9.4 | 8.6 |
| Restricted stock units | ||||
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||||
| Share-based compensation expense, before tax | 3.0 | 2.3 | 6.0 | 4.4 |
| Performance based restricted share unit awards | ||||
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||||
| Share-based compensation expense, before tax | $ 3.0 | $ 3.1 | $ 6.4 | $ 6.9 |