XML 64 R28.htm IDEA: XBRL DOCUMENT v2.4.0.8
Accrued Warranty Costs (Tables)
6 Months Ended
Jun. 30, 2013
Guarantees [Abstract]  
Changes in Product Warranty Obligation (Accrued Warranty Costs)

Changes in our product warranty obligation (accrued warranty costs) are as follows:

 

    

Six Months Ended

June 30,

   

Three Months Ended

June 30,

 
     2013     2012     2013     2012  
     (In Thousands)  

Balance at beginning of period

   $ 6,172      $ 5,370      $ 6,486      $ 5,616   

Amounts charged to costs and expenses

     4,011        3,344        2,021        1,776   

Costs incurred

     (3,239     (2,636     (1,563     (1,314
  

 

 

   

 

 

   

 

 

   

 

 

 

Balance at end of period

   $ 6,944      $ 6,078      $ 6,944      $ 6,078