Quarterly report pursuant to Section 13 or 15(d)

Marketable Securities (Tables)

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Marketable Securities (Tables)
 3 Months Ended
Apr. 30, 2024
Investments, Debt and Equity Securities [Abstract]  
Schedule of Available-For-Sale Marketable Securities
The following is a summary of available-for-sale marketable securities, excluding those securities classified within cash and cash equivalents on the condensed consolidated balance sheets:
April 30, 2024
(in thousands) Amortized Cost Unrealized Gains Unrealized Losses Fair value
Corporate bonds $ 95,301  $ 14  $ (72) $ 95,243 
Municipal bonds 995  —  (1) 994 
U.S. government and agency securities 158,542  —  (254) 158,288 
Certificates of deposit 64,129  18  (35) 64,112 
Commercial paper 164,739  19  (131) 164,627 
Marketable securities $ 483,706  $ 51  $ (493) $ 483,264 
January 31, 2024
(in thousands) Amortized Cost Unrealized Gains Unrealized Losses Fair value
Corporate bonds $ 98,642  $ 71  $ (10) $ 98,703 
Municipal bonds 982  3  —  985 
U.S. government and agency securities 185,464  140  (33) 185,571 
Certificates of deposit 46,496  48  (1) 46,543 
Commercial paper 166,595  155  (21) 166,729 
Marketable securities $ 498,179  $ 417  $ (65) $ 498,531