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OTHER INCOME
6 Months Ended
Jun. 30, 2014
Other Income and Expenses [Abstract]  
OTHER INCOME, NET
OTHER INCOME (EXPENSE)

Other income (expense) consisted of the following (amounts in thousands):
 
Three months ended
 
Six months ended
 
June 30,
 
June 30,
 
2014
 
2013
 
2014
 
2013
Currency exchange gain (loss)
$
3,747

 
$
(6,111
)
 
$
2,050

 
$
(6,654
)
Other income
787

 
681

 
1,250

 
1,331

Discount amortization on prepaid royalty
756

 
787

 
1,530

 
1,703

Wheels India Limited equity income
532

 
460

 
950

 
275

Interest income
288

 
1,530

 
640

 
1,931

Building rental income
225

 
224

 
431

 
404

 
$
6,335

 
$
(2,429
)
 
$
6,851

 
$
(1,010
)


The Company's investment in Wheels India Limited decreased from 41.7% to 34.2% during the first quarter of 2014 due to an equity offering by Wheels India Limited.