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Debt and Lines of Credit (Tables)
3 Months Ended
Nov. 30, 2019
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, 2019

November 30, 2018
Interest expense
$
9.0

 
$
9.2

Interest income
(0.7
)
 
(0.5
)
Interest expense, net
$
8.3

 
$
8.7