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Other Income (Expense), Net (Tables)
 6 Months Ended
Dec. 31, 2016
Other Income and Expenses [Abstract]  
Schedule of other income, net
Other income (expense), net consisted of the following:
 
 
 
Three Months Ended
December 31,
 
Six Months Ended
December 31,
($ in millions)
 
2016
 
2015
 
2016
 
2015
Foreign exchange
 
$
(0.2
)
 
$
(0.8
)
 
$
(0.2
)
 
$
(2.0
)
Unrealized gains (losses) on company-owned life insurance contracts and investments held in rabbi trusts
 
0.3

 
0.7

 
0.8

 
(0.6
)
Equity in earnings of unconsolidated subsidiaries
 
—

 
0.3

 
—

 
0.6

Other
 
0.2

 
0.1

 
0.4

 
0.1

Total other income (expense), net
 
$
0.3

 
$
0.3

 
$
1.0

 
$
(1.9
)