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Supplemental Data (Tables)
 12 Months Ended
Jun. 30, 2020
Supplemental Data  
Additional supplemental disclosures
The following are additional required disclosures and other material items:
 
 
 
Years Ended June 30,
($ in millions)
 
2020
 
2019
 
2018
Cost Data:
 
 

 
 

 
 

Repairs and maintenance costs
 
$
117.4

 
$
120.4

 
$
108.0

Cash Flow Data:
 
 

 
 

 
 

Noncash investing and financing activities:
 
 

 
 

 
 

Noncash purchases of property, plant, equipment and software
 
$
11.6

 
$
16.1

 
$
16.5

Cash paid during the year for:
 
 

 
 

 
 

Interest payments, net
 
$
27.0

 
$
27.6

 
$
29.5

Income tax payments (refunds), net
 
$
29.8

 
$
27.5

 
$
33.7