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Restructuring and Acquisition-Related Costs (Tables)
12 Months Ended
Dec. 31, 2021
Restructuring and Related Activities [Abstract]  
Restructuring and Related Costs [Table Text Block] A summary of our restructuring activity for the years 2021, 2020 and 2019 is shown below:
Severance ChargesImplementation CostsTotal
(in millions)
Accrual at January 1, 2019$2.4 $1.6 $4.0 
Charges19.4 20.4 39.8 
Cash utilization(17.0)(14.6)(31.6)
Accrual at December 31, 20194.8 7.4 12.2 
Charges22.3 36.1 58.4 
Cash utilization(25.4)(33.7)(59.1)
Accrual at December 31, 20201.7 9.8 11.5 
Charges2.9 40.3 43.2 
Cash utilization(3.9)(47.4)(51.3)
Accrual at December 31, 2021$0.7 $2.7 $3.4 
Business Combination, Separately Recognized Transactions [Table Text Block] The following table represents a summary of charges incurred in 2021, 2020 and 2019 associated with acquisition and integration costs:
Acquisition-Related CostsIntegration ExpensesTotal
2021 Charges$0.4 $5.8 $6.2 
2020 Charges— 8.8 8.8 
2019 Charges1.8 16.2 18.0