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WARRANTY (Tables)
3 Months Ended
Mar. 31, 2014
WARRANTY COSTS [Abstract]  
Schedule of Product Warranty Liability [Table Text Block]
Changes in the warranty liability consisted of the following (amounts in thousands):
 
2014
 
2013
Warranty liability, January 1
$
33,134

 
$
27,482

Provision for warranty liabilities
5,320

 
7,946

Warranty payments made
(5,604
)
 
(7,625
)
Warranty liability, March 31
$
32,850

 
$
27,803