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Cash Flow Information
 6 Months Ended
Oct. 30, 2011
Cash Flow Information
11.  Cash Flow Information

Payments for interest and income taxes follows:
 
   
Six months ended
  
(dollars in thousands)
  
October 30, 2011
    
October 31, 2010
  
Interest
   $ 445     $ 454  
Net income tax payments
     1,227       840  

No interest costs were capitalized for the six months ending October 30, 2011. Interest costs of $17,000 for the construction of qualifying property, plant, and equipment were capitalized for the six months ending October 31, 2010.

During the six-month period ending October 30, 2011, 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 six-month period ending October 31, 2010, 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.