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Debt and Lines of Credit (Tables)
9 Months Ended
May 31, 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
 
Nine Months Ended
 
May 31, 2020

May 31, 2019
 
May 31, 2020

May 31, 2019
Interest expense
$
6.1

 
$
9.1

 
$
21.9

 
$
27.4

Interest income
(0.7
)
 
(0.8
)
 
(2.5
)
 
(1.8
)
Interest expense, net
$
5.4

 
$
8.3

 
$
19.4

 
$
25.6