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SEC Schedule, Article 12-04, Condensed Financial Information of Registrant (Tables)
9 Months Ended
Oct. 30, 2021
Condensed Financial Information Disclosure [Abstract]  
Debt Securities, Held-to-maturity Such securities are carried at amortized cost plus accrued interest and consist of the following (in thousands):
As of October 30, 2021
Amortized CostGross Unrealized GainsGross Unrealized LossesFair Market Value
Short-term:
Corporate bonds$190,700 $$82 $190,624 
Municipal bonds33,863 — 11 33,852 
Total$224,563 $$93 $224,476 
As of January 30, 2021
Amortized CostGross Unrealized GainsGross Unrealized LossesFair Market Value
Short-term:
Corporate bonds$95,530 $— $53 $95,477 
Municipal bonds45,398 — 45,391 
Total$140,928 $— $60 $140,868 
As of October 31, 2020
Amortized CostGross Unrealized GainsGross Unrealized LossesFair Market Value
Short-term:
Corporate bonds$78,516 $— $43 $78,473 
Municipal bonds18,233 — 18,226 
Total$96,749 $— $50 $96,699