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OTHER INCOME (EXPENSE) (Tables)
 12 Months Ended
Dec. 31, 2015
OTHER INCOME, NET [Abstract]  
Interest and Other Income [Table Text Block]
Other income (expense) consisted of the following (amounts in thousands):
 
2015
 
2014
 
2013
Interest income
$
2,667

 
$
3,038

 
$
3,396

Gain (loss) on sale of assets
2,418

 
3,438

 
(173
)
Discount amortization on prepaid royalty
1,956

 
2,712

 
3,296

Wheels India Limited equity income
1,790

 
2,108

 
1,430

Building rental income
936

 
903

 
846

Investment gain (loss) related to contractual obligation investments
(361
)
 
1,116

 
1,315

Other income
1,657

 
343

 
1,825

 
$
11,063

 
$
13,658

 
$
11,935