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Other (Income) Expense
 12 Months Ended
Dec. 31, 2017
Other (Income) Expense, net [Abstract]  
Other Income and Other Expense Disclosure [Text Block]
The components of other (income) expense, net, are as follows (in thousands):
 
 
For the Years Ended December 31,
 
 
2017
 
2016
 
2015
Sale of assets
 
$
(346
)
 
$
(618
)
 
$
(408
)
Results of non-consolidated subsidiaries
 
(332
)
 
(506
)
 
(383
)
Foreign exchange
 
916

 
1,832

 
4,507

Interest income
 
—

 
—

 
(56
)
Rents and royalties
 
(454
)
 
(420
)
 
(484
)
Other, net
 
(477
)
 
(632
)
 
493

Total other (income) expense, net
 
$
(693
)
 
$
(344
)
 
$
3,669



Foreign Currency Risk

We operate in a number of international areas which exposes us to foreign currency exchange rate risk. We do not currently hold or issue forward exchange contracts or other derivative instruments for hedging or speculative purposes (a foreign exchange contract is an agreement to exchange different currencies at a given date and at a specified rate). Foreign exchange gains and losses are the result of fluctuations in the USD against foreign currencies and are included in other (income) expense, net in the Consolidated Statements of Operations. We recognized foreign exchange losses in countries where the USD weakened against the local currency and we had net monetary liabilities denominated in the local currency; as well as countries where the USD strengthened against the local currency and we had net monetary assets denominated in the local currency. We recognized foreign exchange gains in countries where the USD strengthened against the local currency and we had net monetary liabilities denominated in the local currency and in countries where the USD weakened against the local currency and we had net monetary assets denominated in the local currency. Foreign exchange gains and losses are summarized in the following table (in thousands):
 
For the Years Ended December 31,
(Gains) losses by currency
2017
 
2016
 
2015
 
British Pound
$
(92
)

$
807


$
434

 
Canadian Dollar
(95
)

(137
)

1,848

 
Euro
1,413


(49
)

(908
)
 
Indonesian Rupiah
78

 
37

 
315

 
Russian Ruble
(161
)
 
160

 
(45
)
 
Other currencies, net
(227
)

1,014


2,863

Total (gain) loss, net
$
916

 
$
1,832

 
$
4,507