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Other Income (Expense) (Tables)
 9 Months Ended
Sep. 30, 2013
Other Income and Expenses [Abstract]  
Schedule of Other Nonoperating Income (Expense) [Table Text Block]
Other Income (Expense)
 
 
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
 
 
 
2013
 
2012
 
2013
 
2012
 
Other income (expense)
 
$
(2)
 
$
162
 
$
(304)
 
$
180
 
Distribution in excess of carrying value
 
 
—
 
 
—
 
 
3,058
 
 
—
 
Foreign currency gain (loss)
 
 
1,735
 
 
(575)
 
 
(1,205)
 
 
(1,420)
 
Loss on sale of assets
 
 
—
 
 
(19)
 
 
—
 
 
(1)
 
 
 
$
1,733
 
$
(432)
 
$
1,549
 
$
(1,241)