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Other Expense, Net (Tables)
 6 Months Ended
Jun. 30, 2017
Other Income and Expenses [Abstract]  
Details of Components of Other Income Expense, Net
The components of other expense, net are as follows:
 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2017
 
2016
 
2017
 
2016
Foreign currency losses
$
(1,906
)
 
$
(15
)
 
$
(2,578
)
 
$
(1,704
)
Secondary offering underwriting fees
—

 
—

 
—

 
(5,900
)
Losses on sales of receivables
(342
)
 
(240
)
 
(560
)
 
(467
)
Miscellaneous income
64

 
—

 
314

 
—

Other expense, net
$
(2,184
)
 
$
(255
)
 
$
(2,824
)
 
$
(8,071
)