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OTHER INCOME
9 Months Ended
Sep. 30, 2015
Other Income and Expenses [Abstract]  
OTHER INCOME, NET
OTHER INCOME (EXPENSE)

Other income consisted of the following (amounts in thousands):
 
Three months ended
 
Nine months ended
 
September 30,
 
September 30,
 
2015
 
2014
 
2015
 
2014
Wheels India Limited equity income
515

 
1,163

 
1,375

 
2,113

Discount amortization on prepaid royalty
458

 
699

 
1,541

 
2,229

Interest income
452

 
96

 
2,016

 
736

Building rental income
253

 
229

 
751

 
660

Other income (expense)
(923
)
 
400

 
648

 
1,733

 
$
755

 
$
2,587

 
$
6,331

 
$
7,471