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WARRANTY (Details) (USD $)
In Thousands, unless otherwise specified
9 Months Ended 3 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Minimum [Member]
Sep. 30, 2013
Maximum [Member]
Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward]        
Warranty liability at January 1 $ 27,482 $ 17,659    
Provision for warranty liabilities 35,134 23,036    
Warranty payments made (28,049) (18,282)    
Warranty liability at September 30 $ 34,567 $ 22,413    
Length of Limited Warranty, Term     0 years 10 years