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Fair Value Measurements - Summary of Investments Fair Value Measurement on Recurring Basis (Details) - Fair Value Measurements, Recurring - USD ($)
$ in Thousands
May 31, 2022
Nov. 30, 2021
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Amortized cost $ 351,991 $ 426,449
Unrealized gain 6 11
Unrealized loss (3,091) (619)
Estimated fair value 348,906 425,841
Included in Cash and Cash Equivalents    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Amortized cost 41,622 73,438
Estimated fair value 41,622 73,438
Included in Short-term Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Amortized cost 257,383 215,280
Unrealized gain   11
Unrealized loss (1,637) (77)
Estimated fair value 255,746 215,214
Included in Long-term Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Amortized cost 52,986 137,731
Unrealized gain 6  
Unrealized loss (1,454) (542)
Estimated fair value 51,538 137,189
Level 1 | Money Market Funds    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Amortized cost 41,622 73,438
Estimated fair value 41,622 73,438
Level 1 | U.S. Treasury Securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Amortized cost 81,901 20,608
Unrealized loss (539) (9)
Estimated fair value 81,362 20,599
Level 1 | Long-term Investments | U.S. Treasury Securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Amortized cost 9,986 39,932
Unrealized loss (225) (85)
Estimated fair value 9,761 39,847
Level 2 | Corporate Debt Securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Amortized cost 70,858 46,599
Unrealized gain   1
Unrealized loss (734) (54)
Estimated fair value 70,124 46,546
Level 2 | U.S. Government Agency Securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Amortized cost 20,496 16,496
Unrealized gain   1
Unrealized loss (176) (14)
Estimated fair value 20,320 16,483
Level 2 | Corporate Commercial Paper    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Amortized cost 58,260 121,495
Estimated fair value 58,260 121,495
Level 2 | Foreign Government Securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Amortized cost 17,170  
Unrealized loss (153)  
Estimated fair value 17,017  
Level 2 | Municipal Securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Amortized cost 8,698 10,082
Unrealized gain   9
Unrealized loss (35)  
Estimated fair value 8,663 10,091
Level 2 | Long-term Investments | Corporate Debt Securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Amortized cost 27,112 74,334
Unrealized loss (729) (365)
Estimated fair value 26,383 73,969
Level 2 | Long-term Investments | U.S. Government Agency Securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Amortized cost 15,888 16,236
Unrealized gain 6  
Unrealized loss (500) (67)
Estimated fair value $ 15,394 16,169
Level 2 | Long-term Investments | Municipal Securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Amortized cost   7,229
Unrealized loss   (25)
Estimated fair value   $ 7,204