XML 58 R42.htm IDEA: XBRL DOCUMENT v3.8.0.1
Other Income (Expense) (Tables)
 12 Months Ended
Sep. 30, 2017
Other Income and Expenses [Abstract]  
Components of other income (expense)
The components of other income (expense) are (in millions):
 
 
2017
 
2016
 
2015
Gain on sale of business
 
$
60.8

 
$
—

 
$
—

Interest income
 
19.6

 
12.7

 
10.7

Royalty income
 
8.9

 
2.9

 
2.9

Legacy product liability and environmental charges
 
(8.3
)
 
(12.7
)
 
(19.8
)
Other
 
(0.1
)
 
3.4

 
0.7

Other income (expense)
 
$
80.9

 
$
6.3

 
$
(5.5
)