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WARRANTY (Tables)
9 Months Ended
Sep. 30, 2016
Product Warranties Disclosures [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
4,950

 
7,230

Warranty payments made
(8,882
)
 
(9,797
)
Warranty liability, September 30
$
19,188

 
$
25,577