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WARRANTY (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Product Warranty Liability [Line Items]    
Warranty liability at January 1 $ 23,120 $ 28,144
Provision for warranty liabilities 4,950 7,230
Warranty payments made (8,882) (9,797)
Warranty liability at September 30 $ 19,188 $ 25,577
Minimum [Member]    
Product Warranty Liability [Line Items]    
Length of Limited Warranty, Term 0 years  
Maximum [Member]    
Product Warranty Liability [Line Items]    
Length of Limited Warranty, Term 10 years