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Other Income (Expense), Net
 12 Months Ended
Jun. 30, 2018
Other Income and Expenses [Abstract]  
Other Income (Expense), Net
Other Income (Expense), Net
 
Other income (expense), net consists of the following:
 
 
 
Years Ended June 30,
($ in millions)
 
2018
 
2017
 
2016
Unrealized gains (losses) on company owned life insurance contracts and investments held in rabbi trusts
 
$
1.5

 
$
1.7

 
$
(0.5
)
Interest income
 
0.3

 
0.3

 
0.2

Equity in earnings of unconsolidated subsidiaries
 
—

 
—

 
0.6

Foreign exchange
 
(0.6
)
 
(0.4
)
 
(2.4
)
Other
 
0.2

 
1.2

 
—

Total other income (expense), net
 
$
1.4

 
$
2.8

 
$
(2.1
)