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Fair Value Measurements (Tables)
12 Months Ended
Nov. 30, 2022
Fair Value Disclosures [Abstract]  
Summary of Investments Fair Value Measurement on Recurring Basis
The following tables present the Company’s investments, which consist of cash equivalents and available-for-sale marketable securities, that are measured at fair value on a recurring basis as of November 30, 2022 and 2021 (in thousands):
November 30, 2022LevelAmortized
cost
Unrealized
gain
Unrealized
loss
Estimated
fair value
Money market fundsLevel 1$59,452 $— $— $59,452 
U.S. treasury securitiesLevel 175,322 — (1,120)74,202 
Corporate debt securitiesLevel 281,026 — (1,279)79,747 
U.S. government agency securitiesLevel 28,998 — (135)8,863 
Corporate commercial paperLevel 274,896 — — 74,896 
Foreign government securitiesLevel 27,051 — (92)6,959 
Long-term marketable securities:
U.S. treasury securitiesLevel 15,779 — (98)5,681 
Corporate debt securitiesLevel 23,492 — (217)3,275 
U.S. government agency securitiesLevel 256,301 (1,379)54,923 
Total$372,317 $$(4,320)$367,998 
Included in cash and cash equivalents $59,452 $— $— $59,452 
Included in marketable securities, current $247,293 $— $(2,626)$244,667 
Included in marketable securities, non-current $65,572 $$(1,694)$63,879 
November 30, 2021LevelAmortized
cost
Unrealized
gain
Unrealized
loss
Estimated
fair value
Money market fundsLevel 1$73,438 $— $— $73,438 
U.S. treasury securitiesLevel 120,608 — (9)20,599 
Corporate debt securitiesLevel 246,599 (54)46,546 
U.S. government agency securitiesLevel 216,496 (14)16,483 
Corporate commercial paperLevel 2121,495 — — 121,495 
Municipal securitiesLevel 210,082 — 10,091 
Long-term marketable securities:   
U.S. treasury securitiesLevel 139,932 — (85)39,847 
Corporate debt securitiesLevel 274,334 — (365)73,969 
U.S. government agency securitiesLevel 216,236 — (67)16,169 
Municipal securitiesLevel 27,229 — (25)7,204 
Total$426,449 $11 $(619)$425,841 
Included in cash and cash equivalents$73,438 $— $— $73,438 
Included in marketable securities, current$215,280 $11 $(77)$215,214 
Included in marketable securities, non-current$137,731 $— $(542)$137,189