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Financial Instruments - Amortized Cost and Estimated Fair Value (Details)
$ in Thousands
Aug. 02, 2020
USD ($)
Amortized Cost  
Due within one year $ 354,472
Due in one to five years 569,047
Total 923,519
Fair Value  
Due within one year 357,266
Due in one to five years 580,248
Total $ 937,514