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OTHER INCOME (Tables)
 6 Months Ended
Jun. 30, 2016
Other Income and Expenses [Abstract]  
Interest and Other Income [Table Text Block]
Other income consisted of the following (amounts in thousands):
 
Three months ended
 
Six months ended
 
June 30,
 
June 30,
 
2016
 
2015
 
2016
 
2015
Gain on sale of assets
$
—

 
$
58

 
$
2,342

 
$
57

Wheels India Limited equity income
1,152

 
867

 
1,649

 
860

Interest income
842

 
956

 
1,253

 
1,564

Building rental income
609

 
258

 
971

 
498

Discount amortization on prepaid royalty
320

 
472

 
779

 
1,083

Other income (expense)
126

 
648

 
(40
)
 
1,514

 
$
3,049

 
$
3,259

 
$
6,954

 
$
5,576