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Revenue by Geographic Area (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Dec. 31, 2022
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Revenue   $ 293.8 $ 298.3 $ 247.2
United States        
Revenue   154.3 220.5 171.7
Belgium        
Revenue $ 38.3   36.6 35.8
Japan        
Revenue   61.6 34.6 23.4
Other Foreign        
Revenue   39.6 6.6 16.3
Foreign [Member]        
Revenue   $ 139.5 $ 77.8 $ 75.5