Restructuring and Impairment - Schedule of Restructuring Expenses (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Restructuring Cost and Reserve [Line Items] | ||||
| Total | $ 0.5 | $ 0.4 | $ 0.6 | $ 0.4 |
| Operating Segments | Nuclear & Safety | ||||
| Restructuring Cost and Reserve [Line Items] | ||||
| Total | 0.1 | 0.1 | 0.1 | 0.1 |
| Operating Segments | Medical | ||||
| Restructuring Cost and Reserve [Line Items] | ||||
| Total | 0.3 | 0.3 | 0.3 | 0.3 |
| Corporate and other | ||||
| Restructuring Cost and Reserve [Line Items] | ||||
| Total | $ 0.1 | $ 0.0 | $ 0.2 | $ 0.0 |