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Commitments and Contingencies - Purchase Obligations (Details) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Commitments and Contingencies Disclosure [Abstract]    
Obligated purchase commitments $ 105.5 $ 90.8
Unrecorded Unconditional Purchase Obligation, Current 95.0  
Unrecorded Unconditional Purchase Obligation, Noncurrent $ 10.5