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Debt and Lines of Credit (Tables)
3 Months Ended
Nov. 30, 2020
Debt Disclosure [Abstract]  
Components of Interest Expense, Net
The following table summarizes the components of interest expense, net for the periods presented (in millions):
 Three Months Ended
 November 30, 2020November 30, 2019
Interest expense$5.1 $9.0 
Interest income(0.2)(0.7)
Interest expense, net$4.9 $8.3