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Interest and Other Expenses (Tables)
6 Months Ended
Jun. 30, 2012
Other Nonoperating Income (Expense) [Abstract]  
Interest and Other Expenses
Interest and other expenses consisted of the following:
 
3 Months Ended
 6 Months Ended 
 
June 30,
 June 30, 
 
2012
 
2011
 
2012
 
2011
 
Interest expense
$10.2 $11.1 $20.8 $21.3 
Interest income
 (1.4 )  (1.6 ) (3.2)  (3.0 )
Foreign exchange loss (gain)
 0.5  (0.2 )  0.3  0.3 
Miscellaneous expenses, net
 2.0  2.5  5.2  4.3 
Interest and other expenses
$11.3 $11.8 $23.1 $22.9