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WARRANTY (Tables)
6 Months Ended
Jun. 30, 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
9,422

 
24,078

Warranty payments made
(9,975
)
 
(17,079
)
Warranty liability, June 30
$
32,581

 
$
34,481