OTHER INCOME (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Foreign Currency Transaction Gain (Loss), before Tax	$ 3,647	$ 3,747	$ 9,613	$ 2,050
Interest income	956	288	1,564	640
Income (Loss) from Equity Method Investments	0	0	0	0
Other income (expense)	706	787	1,571	1,250
Amortization of Prepaid Royalty Discount	472	756	1,083	1,530
Building rental income	258	225	498	431
Nonoperating Income (Expense)	6,906	6,335	15,189	6,851
Wheels India [Member]
Income (Loss) from Equity Method Investments	$ 867	$ 532	$ 860	$ 950
Equity Method Investment, Ownership Percentage	34.23%		34.23%