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Accrued Expenses
12 Months Ended
Dec. 31, 2020
Payables and Accruals [Abstract]  
Accrued Expenses Accrued Expenses
Accrued expenses consisted of the following ($ in millions):
December 31,
20202019
Accrued salaries, wages and employee benefits$48.7 $46.1 
Other accrued expenses52.2 40.4 
Total$100.9 $86.5