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Leases (Tables)
12 Months Ended
Jan. 31, 2015
Leases [Abstract]  
Future Minimum Lease Payments under Operating Leases

The future minimum lease payments under operating leases at January 31, 2015 were as follows (in thousands):

 

     Minimum
Lease
Payments
 

2015

   $ 15,593   

2016

     17,877   

2017

     17,912   

2018

     17,655   

2019

     17,514   

Thereafter

     63,516   
  

 

 

 

Total minimum lease payments

$ 150,067