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Product Warranties (Tables)
3 Months Ended
Mar. 31, 2014
Guarantees [Abstract]  
Summary of Changes in Product Warranties Reserve

The following table reflects the changes in the Company’s warranty reserve during the three months ended March 31, 2014 and 2013:

 

     Three Months Ended March 31,  
     2014     2013  

Warranty reserve, beginning of period

   $ 101,507      $ 62,742   

Provision

     10,260        8,291   

Payments

     (13,002     (7,976
  

 

 

   

 

 

 

Warranty reserve, end of period

   $ 98,765      $ 63,057