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Segment Information (Tables) | 12 Months Ended
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Dec. 31, 2025
Segment Reporting [Abstract] |
Schedule of Segment Reporting Information, by Segment |
| Fiscal Year Ended December 31, 2025
| Medical |  | Nuclear & Safety |  | Total
Revenues | $ | 310.8 |  |  | $ | 614.6 |  |  | $ | 925.4 |
Less: |  |  |  |  |
Adjusted cost of revenues 1 | 109.0 |  |  | 324.0 |  |  | 433.0 |
Other segment items 2 | 154.9 |  |  | 189.5 |  |  | 344.4 |
Segment income from operations | $ | 46.9 |  |  | $ | 101.1 |  |  | $ | 148.0 |
Other loss 3 |  |  |  |  | (96.5) |
Income from operations |  |  |  |  | 51.5 |
Less other expense (income): |  |  |  |  |
Interest expense |  |  |  |  | 42.2 |
Interest income |  |  |  |  | (12.1) |
Loss on debt extinguishment |  |  |  |  | 5.8 |
Foreign currency (gain)/loss, net |  |  |  |  | (17.4) |
Other income, net |  |  |  |  | 0.3 |
Consolidated income before income taxes |  |  |  |  | $ | 32.7 |
| Fiscal Year Ended December 31, 2024
| Medical |  | Nuclear & Safety |  | Total
Revenues | $ | 299.7 |  |  | $ | 561.1 |  |  | $ | 860.8 |
Less: |  |  |  |  |
Adjusted cost of revenues 1 | 108.7 |  |  | 300.4 |  |  | 409.1 |
Other segment items 2 | 168.7 |  |  | 181.8 |  |  | 350.5 |
Segment income from operations | $ | 22.3 |  |  | $ | 78.9 |  |  | $ | 101.2 |
Other loss 3 |  |  |  |  | (76.4) |
Income from operations |  |  |  |  | 24.8 |
Less other expense (income): |  |  |  |  |
Interest expense |  |  |  |  | 57.9 |
Interest income |  |  |  |  | (6.6) |
Foreign currency (gain)/loss, net |  |  |  |  | 2.2 |
Increase in fair value of warrant liabilities |  |  |  |  | 5.3 |
Other income, net |  |  |  |  | (0.1) |
Consolidated loss before income taxes |  |  |  |  | $ | (33.9) |
| Fiscal Year Ended December 31, 2023
| Medical |  | Nuclear & Safety |  | Total
Revenues | $ | 284.5 |  |  | $ | 516.4 |  |  | $ | 800.9 |
Less: |  |  |  |  |
Adjusted cost of revenues 1 | 107.3 |  |  | 289.6 |  |  | 396.9 |
Other segment items 2 | 164.2 |  |  | 180.8 |  |  | 345.0 |
Segment income from operations | $ | 13.0 |  |  | $ | 46.0 |  |  | $ | 59.0 |
Other loss 3 |  |  |  |  | (80.9) |
Loss from operations |  |  |  |  | (21.9) |
Less other expense (income): |  |  |  |  |
Interest expense |  |  |  |  | 61.9 |
Interest income |  |  |  |  | (4.8) |
Loss on debt extinguishment |  |  |  |  | 2.6 |
Foreign currency (gain)/loss, net |  |  |  |  | (0.3) |
Increase in fair value of warrant liabilities |  |  |  |  | 24.8 |
Other income, net |  |  |  |  | (0.8) |
Consolidated loss before income taxes |  |  |  |  | $ | (105.3) |
1 | Adjusted cost of revenues is a significant expense category, and amounts align with the segment-level information that is regularly provided to the CODM. Adjusted cost of revenues is defined by management as cost of revenues adjusted for purchase accounting impacts and excluding depreciation, amortization, and other segment expenses identified as non-operating by management.
2 | Other segment items included in segment income (loss) from operations for each segment include research and development expenses; selling and marketing expenses; general and administrative expenses; and any amounts excluded from cost of revenues to determine adjusted costs of revenues (e.g., depreciation, amortization, and other segment expenses identified as non-operating by management).
3 | Other loss consists of research and development expenses; selling and marketing expenses; and general and administrative expenses not allocated to the segments.
The Company’s assets by reportable segment were not included, as this information is not reviewed by, nor otherwise provided to, the CODM to make operating decisions or allocate resources. The following table summarizes capital expenditures and depreciation and amortization for each reportable segment (in millions).
| Fiscal Year Ended December 31, 2025 |  | Fiscal Year Ended December 31, 2024 |  | Fiscal Year Ended December 31, 2023
Capital expenditures |  |  |  |  |
Medical | $ | 20.2 |  |  | $ | 27.8 |  |  | $ | 21.8 |
Nuclear & Safety | 18.7 |  |  | 17.7 |  |  | 18.0 |
Total operating and reportable segments | 38.9 |  |  | 45.5 |  |  | 39.8 |
Corporate and other | 0.7 |  |  | 3.3 |  |  | 1.0 |
Total capital expenditures | $ | 39.6 |  |  | $ | 48.8 |  |  | $ | 40.8 |
Depreciation and amortization |  |  |  |  |
Medical | $ | 65.5 |  |  | $ | 73.0 |  |  | $ | 75.2 |
Nuclear & Safety | 71.6 |  |  | 76.7 |  |  | 86.9 |
Total operating and reportable segments | 137.1 |  |  | 149.7 |  |  | 162.1 |
Corporate and other | 1.0 |  |  | 0.7 |  |  | 0.7 |
Total depreciation and amortization | $ | 138.1 |  |  | $ | 150.4 |  |  | $ | 162.8 |
Schedule of Revenue from External Customers by Geographic Areas | The following details revenues by geographic region. Revenues generated from external customers are attributed to geographic regions through sales from site locations (i.e. point of origin) (in millions).
| Revenues
| Fiscal Year Ended December 31, 2025 |  | Fiscal Year Ended December 31, 2024 |  | Fiscal Year Ended December 31, 2023
North America |  |  |  |  |
Medical | $ | 279.3 |  |  | $ | 271.9 |  |  | $ | 258.1 |
Nuclear & Safety | 302.9 |  |  | 270.3 |  |  | 254.2 |
Total North America | 582.2 |  |  | 542.2 |  |  | 512.3 |
Europe |  |  |  |  |
Medical | 31.5 |  |  | 27.8 |  |  | 26.4 |
Nuclear & Safety | 296.1 |  |  | 277.8 |  |  | 245.7 |
Total Europe | 327.6 |  |  | 305.6 |  |  | 272.1 |
Asia Pacific |  |  |  |  |
Medical | — |  |  | — |  |  | — |
Nuclear & Safety | 15.6 |  |  | 13.0 |  |  | 16.5 |
Total Asia Pacific | 15.6 |  |  | 13.0 |  |  | 16.5 |
Total Revenues | $ | 925.4 |  |  | $ | 860.8 |  |  | $ | 800.9 |
Schedule of Revenue by Timing of Recognition | The following details revenues by timing of recognition (in millions):
| Revenues
| Fiscal Year Ended December 31, 2025 |  | Fiscal Year Ended December 31, 2024 |  | Fiscal Year Ended December 31, 2023
Point in time | $ | 620.2 |  |  | $ | 567.0 |  |  | $ | 496.0 |
Over time | 305.2 |  |  | 293.8 |  |  | 304.9 |
Total revenues | $ | 925.4 |  |  | $ | 860.8 |  |  | $ | 800.9 |
Schedule of Revenue from External Customers by Products and Services | The following details revenues by product for each segment (in millions). The Company updated the categorization of its products to better align with the markets driving demand. The revenues by product information has been recast for all prior periods presented.
| Revenues
| Fiscal Year Ended December 31, 2025 |  | Fiscal Year Ended December 31, 2024 |  | Fiscal Year Ended December 31, 2023
Medical segment: |  |  |  |  |
Cancer care | $ | 237.0 |  |  | $ | 228.1 |  |  | $ | 215.9 |
Other | 73.8 |  |  | 71.6 |  |  | 68.6 |
Nuclear & Safety segment: |  |  |  |  |
Nuclear | 374.6 |  |  | 316.6 |  |  | 291.8 |
Labs and research | 122.2 |  |  | 131.7 |  |  | 122.9 |
Other | 117.8 |  |  | 112.8 |  |  | 101.7 |
Total Revenues | $ | 925.4 |  |  | $ | 860.8 |  |  | $ | 800.9 |
Schedule of Property, Plant, and Equipment by Geographical Areas | The following details property, plant, and equipment, net, by geography (in millions):
| Property, Plant, and Equipment, Net
| December 31, 2025 |  | December 31, 2024
North America | $ | 93.4 |  |  | $ | 91.5 |
Europe | 61.4 |  |  | 54.7 |
Asia Pacific | 0.1 |  |  | 0.1 |
Total | $ | 154.9 |  |  | $ | 146.3 |

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