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Short-Term and Long-Term Investments
 9 Months Ended
Aug. 01, 2020
Investments, Debt and Equity Securities [Abstract]  
Short-Term and Long-Term Investments SHORT-TERM AND LONG-TERM INVESTMENTS
As of the dates indicated, investments are comprised of the following (in thousands):
 August 1, 2020
Amortized CostGross Unrealized
Gains		Gross Unrealized
Losses		Estimated Fair
Value
U.S. government obligations:
Included in short-term investments$70,093 $311 $— $70,404 
$70,093 $311 $— $70,404 
 November 2, 2019
Amortized CostGross Unrealized
Gains		Gross Unrealized
Losses		Estimated Fair
Value
U.S. government obligations:
Included in short-term investments$109,715 $225 $— $109,940 
Included in long-term investments10,017 — (3)10,014 
$119,732 $225 $(3)$119,954 


The following table summarizes the final legal maturities of debt investments at August 1, 2020 (in thousands):
Amortized
Cost		Estimated
Fair Value
Less than one year$70,093 $70,404