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Commitments and Contingencies (Tables)
9 Months Ended
Sep. 30, 2014
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Warranty Reserves

Warranty reserves consisted of the following (in thousands):

 

     Three Months Ended     Nine Months Ended  
     September 30,     September 30,  
     2014     2013     2014     2013  

Warranty reserves, beginning of period

   $ 24,324      $ 23,921      $ 24,449      $ 24,485   

Warranty reserves accrued

     3,691        1,915        7,455        6,283   

Liabilities assumed in the Merger

     7,481        —          7,481        —     

Adjustments to pre-existing reserves

     (809     406        209        595   

Warranty expenditures

     (2,596     (2,246     (7,503     (7,367
  

 

 

   

 

 

   

 

 

   

 

 

 

Warranty reserves, end of period

   $ 32,091      $ 23,996      $ 32,091      $ 23,996