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Restructuring Expenses (Tables)
3 Months Ended
Mar. 31, 2021
Restructuring and Related Activities [Abstract]  
Schedule of Restructuring Reserve by Type of Cost Restructuring expenses activity during the three months ended March 31, 2021 is summarized as follows (in millions):
Employee SeveranceFacility Closure CostsOther Related Closure CostsTotal
Balance as of December 31, 2020$11.1 $3.9 $1.8 $16.8 
First quarter 2021 provision1.3 — — 1.3 
First quarter 2021 cash activity(2.3)(3.9)— (6.2)
Foreign currency translation(0.1)— (0.2)(0.3)
Balance as of March 31, 2021$10.0 $— $1.6 $11.6