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Other Income (Expense), Net (Tables)
 12 Months Ended
Jun. 30, 2017
Other Income and Expenses [Abstract]  
Schedule of other income, net
Other income (expense), net consists of the following:
 
 
 
Years Ended June 30,
($ in millions)
 
2017
 
2016
 
2015
Interest income
 
$
0.3

 
$
0.2

 
$
0.1

Equity in earnings of unconsolidated subsidiaries
 
—

 
0.6

 
0.1

Unrealized gains (losses) on company owned life insurance contracts and investments held in rabbi trusts
 
1.7

 
(0.5
)
 
0.3

Foreign exchange
 
(0.4
)
 
(2.4
)
 
0.4

Other
 
1.2

 
—

 
4.4

Total other income (expense), net
 
$
2.8

 
$
(2.1
)
 
$
5.3