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SCHEDULE II SCHEDULE OF VALUATION AND QUALIFYING ACCOUNTS
12 Months Ended
Jan. 31, 2012
SCHEDULE II - SCHEDULE OF VALUATION AND QUALIFYING ACCOUNTS [Abstract]  
SCHEDULE II - SCHEDULE OF VALUATION AND QUALIFYING ACCOUNTS
 
  SCHEDULE II

SCHEDULE OF VALUATION AND QUALIFYING ACCOUNTS

(in thousands)

   
 
Balance at
Beginning of
Period
  
Charged
(Credited) to
Statements of
Income
  
 
Write-Offs
Net of,
Recoveries
  
Impact of
Foreign
Currency
Translation
  
 
Balance at
End of
Period
 
Year ended January 31, 2010
               
Allowance for bad debt
  1,305   1,413   (1,123)  62   1,657 
Allowance for sales returns
  2,268   612   (1,164)  69   1,785 
Total allowance for doubtful accounts
 $3,573  $ 2,025  $(2,287) $ 131  $3,442 
Year ended January 31, 2011
                    
Allowance for bad debt
  1,657   (186)  (328)  22   1,165 
Allowance for sales returns
  1,785   654   (968)  25   1,496 
Total allowance for doubtful accounts
 $3,442  $468  $(1,296) $ 47  $2,661 
Year ended January 31, 2012
                    
Allowance for bad debt
  1,165   171   (32)  (21)  1,283 
Allowance for sales returns
  1,496   989   (1,303)  2   1,184 
Total allowance for doubtful accounts
 $2,661  $ 1,160  $(1,335) $(19) $2,467