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Other Charges, Net - Components of other charges (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Other Charges (Gain), Net    
Information technology transformation costs $ 1.0 $ 0.7
Professional fees incurred in connection with investigation matters 0.4 0.1
Restructuring charges 0.3 1.3
Acquisition-related expenses, net 5.1 0.9
Long-lived asset impairments 0.4 0.0
Other 0.3 0.0
Other charges, net $ 7.5 $ 3.0