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Restructuring Expenses and Impairment Charges (Tables)
3 Months Ended
Mar. 31, 2023
Restructuring and Related Activities [Abstract]  
Schedule of Restructuring Reserve by Type of Cost Restructuring expenses activity, which relates solely to employee severance, during the three months ended March 31, 2023 is summarized as follows (in millions):
Balance as of December 31, 2022$6.8 
First quarter 2023 provision1.4 
First quarter 2023 cash activity(1.0)
Balance as of March 31, 2023$7.2