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9. Other Income and Expenses
 3 Months Ended
Mar. 31, 2012
Other Income and Expenses [Abstract]  
Other Income and Other Expense Disclosure
9.OTHER INCOME AND EXPENSE

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

 
Three Months Ended
 
 
March 31,
 
 
2012
 
2011
 
Interest and investment income
$
(1.0
)
 
$
(0.7
)
 
Realized gains on investments
(6.5
)
 
(0.2
)
 
Miscellaneous other (income) expense items
1.0

 
(0.1
)
 
Other (income) expense, net
$
(6.5
)
 
$
(1.0
)