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Interest and Other Expenses (Tables)
 6 Months Ended
Jun. 30, 2018
Other Nonoperating Income (Expense) [Abstract]  
Schedule of interest and other expenses
Interest and other expenses consisted of the following:

 
3 Months Ended
 
6 Months Ended
 
June 30,
 
June 30,
 
2018
 
2017
 
2018
 
2017
Interest expense
$
13.3

 
$
11.9

 
$
26.9

 
$
23.8

Interest income
(1.4
)
 
(1.2
)
 
(2.6
)
 
(2.2
)
Foreign exchange (gain) loss
(0.1
)
 
0.2

 
(0.2
)
 
0.3

Miscellaneous (income) expense, net
(1.3
)
 
0.1

 
2.5

 
4.9

Interest and other expenses
$
10.5

 
$
11.0

 
$
26.6

 
$
26.8