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Product Warranties (Tables)
9 Months Ended
Sep. 30, 2015
Guarantees [Abstract]  
Product Warranty Activities

Product warranty activities were as follows:

 

     Nine Months Ended September 30,  
     2015      2014  

Beginning of period

   $ 6,266       $ 6,956   

Provision for product warranties

     3,527         1,880   

Direct charges to warranty liability

     (3,859      (2,119

Foreign currency translation

     (97      (28
  

 

 

    

 

 

 

End of period

   $ 5,837       $ 6,689