v3.26.3
Revenue and Contracts with Customers (Revenue from External Customers by Geographic Areas) (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Revenue $ 55.5 $ 74.9 $ 308.3 $ 302.5
Product [Member]        
Revenue 31.8 44.8 229.8 221.8
Product [Member] | United States        
Revenue 31.8 34.1 84.4 142.5
Product [Member] | Total foreign        
Revenue $ 0.0 $ 10.7 $ 145.4 $ 79.3