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WARRANTY (Tables)
3 Months Ended
Mar. 31, 2016
WARRANTY COSTS [Abstract]  
Schedule of Product Warranty Liability [Table Text Block]
Changes in the warranty liability consisted of the following (amounts in thousands):
 
2016
 
2015
Warranty liability, January 1
$
23,120

 
$
28,144

Provision for warranty liabilities
1,813

 
2,526

Warranty payments made
(2,790
)
 
(3,914
)
Warranty liability, March 31
$
22,143

 
$
26,756