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Fair Value Measurements - Schedule of Investments Fair Value Measurement on Recurring Basis (Details) - USD ($) $ in Thousands | May 31, 2026 | Nov. 30, 2025
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Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Amortized cost, short-term | $ 375,989 | $ 345,876
Unrealized gain, short-term | 5 | 115
Unrealized loss, short-term | (150) | (10)
Estimated fair value, short-term | 375,844 | 345,981
Amortized cost | 422,693 | 587,240
Unrealized gain | 5 | 115
Unrealized loss | (150) | (10)
Estimated fair value | 422,548 | 587,345
Included in cash and cash equivalents |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Amortized cost | 46,704 | 241,364
Unrealized gain | 0 | 0
Unrealized loss | 0 | 0
Estimated fair value | 46,704 | 241,364
Level 1 | Money market funds |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Amortized cost, short-term | 46,704 | 241,364
Unrealized gain, short-term | 0 | 0
Unrealized loss, short-term | 0 | 0
Estimated fair value, short-term | 46,704 | 241,364
Level 1 | U.S. treasury securities |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Amortized cost, short-term | 375,989 | 345,876
Unrealized gain, short-term | 5 | 115
Unrealized loss, short-term | (150) | (10)
Estimated fair value, short-term | $ 375,844 | $ 345,981

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