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Other Income and Expense (Tables)
 3 Months Ended
Mar. 31, 2014
Other Income and Expenses [Abstract]  
Schedule of Other Nonoperating Income (Expense) [Table Text Block]
Other income and expense consists of the following:
 
For the Three Months Ended
March 31,
 
2014
 
2013
 
(In thousands)
Interest income
$
(711
)
 
$
(827
)
Foreign currency loss (gain)
334

 
(1,166
)
Other expense (income)
413

 
(229
)
Total other expense (income), net
$
36

 
$
(2,222
)