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Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2013
Commitments And Contingencies Disclosure [Abstract]  
Future Minimum Operating Lease Commitments

The future minimum operating lease commitments for each of the next five years and thereafter and in the aggregate as of December 31, 2013 are as follows (in thousands):

 

2014

   $ 22,563   

2015

     18,263   

2016

     12,761   

2017

     7,859   

2018

     4,274   

Thereafter

     1,902   
  

 

 

 
   $ 67,622