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Debt (Tables)
 9 Months Ended
Apr. 28, 2023
Debt [Abstract]  
Outstanding Principal Amount and Carrying Value of the Notes


The following table includes the outstanding principal amount and carrying value of the Notes as of the dates indicated:

   
April 28, 2023
     July 29, 2022  
Liability component
      Principal
  
$
300,000
     $ 300,000  
Less: Debt issuance costs (1)
    
5,605
       6,901  
    Net carrying amount
  
$
294,395
     $
293,099  

(1)
Debt issuance costs are amortized to interest expense using the effective interest method over the expected life of the Notes.
Summary of Interest Expense

The effective rate of the Notes over their expected life is 1.23%. The following is a summary of interest expense for the Notes for specified periods:


    Quarter Ended    
Nine Months Ended
 

 
April 28,
2023
    
April 29,
2022
    
April 28,
2023
    
April 29,
2022
  
Coupon interest
   $ 474     $ 474    
$
1,422
    
$
1,422
  
Amortization of issuance costs
     434       415      
1,296
      
1,326
  
Total interest expense
   $
908     $
889    
$
2,718
    
$
2,748