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Restructuring - Summary of Activity Relating to Restructuring Plan Liabilities (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Restructuring And Related Activities [Abstract]    
Beginning balance $ 1.4  
Restructuring costs   $ 12.4
Cash payments (0.6) (6.1)
Other adjustments $ (0.8) (4.9)
Ending balance   $ 1.4