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Inventories - Summary of Inventories (Detail) - USD ($)
$ in Millions
Mar. 31, 2022
Dec. 31, 2021
Inventory Disclosure [Abstract]    
Raw materials $ 9.2 $ 11.2
Work in process 4.4 3.6
Finished goods 15.4 15.7
Total inventories $ 29.0 $ 30.5