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Product Warranty Liabilities
 6 Months Ended
Jun. 30, 2015
Guarantees [Abstract]  
Product Warranty Liabilities
8. Product Warranty Liabilities

The Company provides for the estimated cost of product warranties at the time revenue is recognized based primarily on historical return rates, estimates of the eligible tire population and the value of tires to be replaced. The following table summarizes the activity in the Company’s product warranty liabilities:

 

     2014      2015  

Reserve at January 1

    $ 30,853       $ 14,005   

Additions

      9,772         4,824   

Payments

      (9,358 )       (6,089 ) 
  

 

 

     

 

 

  

Reserve at June 30

    $ 31,267       $ 12,740   
  

 

 

     

 

 

  

The CCT portion of the warranty accrual consisted of a January 1, 2014 reserve of $16,807, and additions to the reserve of $4,235 and payments of $4,137 for the six months ended June 30, 2014.