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Credit Losses (Tables)
3 Months Ended
Apr. 02, 2021
Credit Loss [Abstract]  
Allowance for Credit Loss
The rollforward of the allowance for credit losses is summarized as follows ($ in millions):

Balance at December 31, 2020$37.1 
Foreign currency translation(0.9)
Provision for credit losses2.9 
Write-offs charged against the allowance(1.4)
Recoveries(2.8)
Balance at April 2, 2021$34.9