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10. Other Income and Expenses
 6 Months Ended
Jun. 30, 2013
Other Income and Expenses [Abstract]  
Other Income and Other Expense Disclosure
10.    OTHER INCOME AND EXPENSE

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

 
Three Months Ended
 
Six Months Ended
 
June 30,
 
June 30,
 
2013
 
2012
 
2013
 
2012
Interest and investment income
$
(7.8
)
 
$
(5.9
)
 
$
(9.1
)
 
$
(6.9
)
Net realized gains on investments
—

 
(1.0
)
 
(0.2
)
 
(7.4
)
Miscellaneous other expense items, net
(0.8
)
 
0.2

 
(0.7
)
 
1.1

Other (income) expense, net
$
(8.6
)
 
$
(6.7
)
 
$
(10.0
)
 
$
(13.2
)