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Cash Flow Information
 9 Months Ended
Jan. 29, 2012
Cash Flow Information
11.  Cash Flow Information

Payments for interest and income taxes follows:
 
   
Nine months ended
(dollars in thousands)
  
January 29, 2012
  
January 30, 2011
Interest   $ 449     $ 454  
Net income tax payments
     1,886       1,054  
 
No interest costs were capitalized for the nine months ending January 29, 2012. Interest costs of $17,000 for the construction of qualifying property, plant, and equipment were capitalized for the nine months ending January 30, 2011.

During the nine-month period ending January 29, 2012, no shares of common stock were withheld to satisfy withholding tax liabilities and other costs incurred in connection with vesting of performance based restricted stock units or the exercise of options to purchase common stock. During the nine-month period ending January 30, 2011, 33,835 shares of common stock were withheld to satisfy withholding tax liabilities and other costs incurred in connection with 40,000 shares of common stock issued and related to the vesting of performance based restricted stock units and the exercise of 72,000 options to purchase of common stock. The total withholding tax liabilities and other costs incurred totaled $329,000.