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OTHER INCOME (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Component of Other Income, Nonoperating [Line Items]    
Discount amortization on prepaid royalty $ 916 $ 1,039
Interest income 401 205
Building rental income 180 175
Income (Loss) from Equity Method Investments 0 0
Gain (loss) related to contractual obligation investments (120) 1,268
Other income (expense) 227 424
Nonoperating Income (Expense) 1,419 3,111
Wheels India [Member]
   
Component of Other Income, Nonoperating [Line Items]    
Income (Loss) from Equity Method Investments $ (185)