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WARRANTY
 3 Months Ended
Mar. 31, 2012
Product Warranties Disclosures [Abstract]  
WARRANTY COSTS
WARRANTY

Changes in the warranty liability consisted of the following (amounts in thousands):
 
2012
 
2011
Warranty liability, January 1
$
17,659

 
$
12,471

Provision for warranty liabilities
7,773

 
5,256

Warranty payments made
(5,899
)
 
(3,743
)
Warranty liability, March 31
$
19,533

 
$
13,984



The Company provides limited warranties on workmanship on its products in all market segments.  The majority of the Company’s products have a limited warranty that ranges from zero to ten years, with certain products being prorated after the first year.  The Company calculates a provision for warranty expense based on past warranty experience.  Warranty accruals are included as a component of other current liabilities on the Consolidated Condensed Balance Sheets.