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Financial Instruments - Amortized Cost and Estimated Fair Value (Details) - USD ($)
Aug. 07, 2022
Aug. 01, 2021
Amortized Cost    
Due within one year $ 361,702,000  
Due in one to five years 366,474,000  
Total 728,176,000  
Fair Value    
Due within one year 357,361,000  
Due in one to five years 352,528,000  
Total 709,889,000  
Impairment charge for unrealized losses $ 0 $ 0