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WARRANTY
6 Months Ended
Jun. 30, 2011
Warranty  
Warranty
8.  WARRANTY

Changes in the warranty liability consisted of the following (in thousands):
   
2011
  
2010
 
Warranty liability, January 1
 $12,471  $9,169 
Provision for warranty liabilities
  11,394   8,613 
Warranty payments made
  (9,638)  (7,294)
Warranty liability, June 30
 $14,227  $10,488 

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.