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Organization Restructuring Rollforward (Tables)
9 Months Ended
Jun. 30, 2019
Restructuring Cost and Reserve [Line Items]  
Restructuring and Related Costs [Table Text Block]
Activity in accrued restructuring, reported as part of other current liabilities, is presented below.
 
Nine months ended
 
June 30,
 
2019
 
2018
 
(in millions)
Beginning balance
$
0.9

 
$
3.3

Expense accrued
5.5

 
4.4

Amounts paid
(4.6
)
 
(6.3
)
Ending balance
$
1.8

 
$
1.4