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Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2012
Aggregate Future Minimum Lease Payments under all Non-cancelable Lease Agreements

At December 31, 2012, the aggregate future minimum lease payments under all non-cancelable lease agreements were as follows:

 

(in thousands)

      

2013

   $ 30,645   

2014

     26,413   

2015

     22,189   

2016

     18,407   

2017

     12,924   

Thereafter

     23,299   
  

 

 

 

Total minimum future lease payments

   $ 133,877