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SHARE-BASED COMPENSATION PLANS (Tables)
 6 Months Ended
Dec. 31, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Share-based Compensation Expense
Share-based compensation expense is recognized on a straight-line basis over the requisite service period. Total share-based compensation is show in the table below:
 
Three Months Ended
December 31,
 
Six Months Ended
December 31,
 
2018
 
2017
 
2018
 
2017
Equity plan expense
$
4.4

 
$
9.0

 
$
10.8

 
$
17.1

Liability plan (income) expense
(2.6
)
 
0.4

 
(2.6
)
 
(0.9
)
Fringe expense
0.5

 
0.5

 
0.5

 
1.8

Total share-based compensation expense
$
2.3

 
$
9.9

 
$
8.7

 
$
18.0