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Schedule II: Valuation and Qualifying Accounts
 12 Months Ended
Jan. 31, 2013
Schedule II: Valuation and Qualifying Accounts
Schedule II: Valuation and Qualifying Accounts
 
         
Additions
              
(in thousands)
  
Balance at
Beginning
of Period
    
Charges to
Costs and
Expenses
    
Charges to
Other
Accounts
    
Deductions
    
Balance at
End of
Period
  
Allowance for customer receivables:
                              
Fiscal year ended January 31, 2011
   $ 7,425     $ 1,392     $ 1,335     $ (1,524 )   $ 8,628  
Fiscal year ended January 31, 2012
     8,628       39       352       (878 )     8,141  
Fiscal year ended January 31, 2013
     8,141       1,790       584       (2,688 )     7,827