v3.26.1
Segment Information - Schedule of Revenue from External Customers by Geographic Areas (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]        
Total revenues $ 266.8 $ 222.9 $ 524.4 $ 424.9
Nuclear & Safety        
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]        
Total revenues 186.2 141.7 371.7 275.1
Medical        
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]        
Total revenues 80.6 81.2 152.7 149.8
North America        
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]        
Total revenues 179.1 138.9 354.1 269.7
North America | Nuclear & Safety        
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]        
Total revenues 106.0 66.1 216.2 134.9
North America | Medical        
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]        
Total revenues 73.1 72.8 137.9 134.8
Europe        
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]        
Total revenues 85.1 81.8 163.0 147.2
Europe | Nuclear & Safety        
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]        
Total revenues 77.6 73.4 148.2 132.2
Europe | Medical        
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]        
Total revenues 7.5 8.4 14.8 15.0
Asia Pacific        
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]        
Total revenues 2.6 2.2 7.3 8.0
Asia Pacific | Nuclear & Safety        
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]        
Total revenues 2.6 2.2 7.3 8.0
Asia Pacific | Medical        
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]        
Total revenues $ 0.0 $ 0.0 $ 0.0 $ 0.0