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WARRANTY (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Sep. 30, 2012
Dec. 31, 2011
Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward]        
Warranty liability at January 1 $ 33,134   $ 27,803 $ 27,482
Provision for warranty liabilities 5,320 7,946    
Warranty payments made (5,604) (7,625)    
Warranty liability at March 31 $ 32,850   $ 27,803 $ 27,482
Minimum [Member]
       
Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward]        
Length of Limited Warranty, Term 0 years      
Maximum [Member]
       
Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward]        
Length of Limited Warranty, Term 10 years