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Property, Equipment and Leasehold Improvements (Tables)
6 Months Ended
Jun. 30, 2025
Property, Plant and Equipment [Abstract]  
Schedule of Property, Equipment and Leasehold Improvements
Property, equipment and leasehold improvements consist of the following:
(dollars in millions)June 30,
2025
December 31,
2024
Laboratory equipment$20.8 $20.6 
Leasehold improvements9.0 9.3 
Office equipment3.0 2.7 
Total property, equipment and leasehold improvements32.8 32.6 
Less: accumulated depreciation and amortization(26.7)(25.6)
Property, equipment and leasehold improvements, net$6.1 $7.0