v3.26.1
Segment Information Schedule Of Entity Wide Revenue By Major Customers (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Customer A [Member] | Low Enriched Uranium Segment [Member]        
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Customer, Extent of Reliance [Line Items]        
Revenue $ 78.9 $ 35.7 $ 78.9 $ 67.5
Customer A [Member] | Technical Solutions Segment [Member]        
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Customer, Extent of Reliance [Line Items]        
Revenue 22.0 27.9 53.5 49.6
Customer B [Member] | Low Enriched Uranium Segment [Member]        
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Customer, Extent of Reliance [Line Items]        
Revenue $ 39.1 32.8 $ 57.6 35.7
Customer C [Member] | Low Enriched Uranium Segment [Member]        
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Customer, Extent of Reliance [Line Items]        
Revenue   $ 19.9   $ 32.8