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WARRANTY (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward]    
Warranty liability at beginning of year $ 17,659 $ 12,471
Acquisitions 2,496 0
Provision for warranty liabilities 33,701 27,127
Warranty payments made (26,374) (21,939)
Warranty liability at end of year $ 27,482 $ 17,659
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