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9. Other Income and Expenses
 3 Months Ended
Mar. 31, 2019
Other Income and Expenses [Abstract]  
Other Income and Other Expense Disclosure .    OTHER INCOME AND EXPENSE, NET

Other (income) expense, net includes the following components (in millions):

 
Three Months Ended
 
 
March 31,
 
 
2019
 
2018
 
Interest and investment income
$
(19.5
)
 
$
(2.1
)
 
Net realized loss on investments
—

 
0.1

 
Other-than-temporary impairment loss on investment
1.6

 
—

 
Gain on sale of land
—

 
(4.1
)
 
Gain on divestiture of product line
—

 
(5.1
)
 
Other (income) expense
(0.8
)
 
0.1

 
Other (income) expense, net
$
(18.7
)
 
$
(11.1
)
 



An other-than-temporary impairment loss on investment was recorded in light of the investee's financial condition in the first quarter of 2019.