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Fair Value Measurements (Schedule of Fair Value Measurements within the Fair Value Hierarchy of the Financial Assets) (Details) - USD ($) $ in Thousands | Nov. 30, 2022 | Nov. 30, 2021
--- | --- | ---
Money market funds |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Assets | $ 27,254 | $ 25,035
Interest rate swap |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Assets | 4,407 |
Liabilities |  | (3,078)
U.S. treasury bonds |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Assets |  | 757
Corporate bonds |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Assets |  | 1,210
Foreign exchange derivatives |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Liabilities | (3,000) | (372)
Level 1 | Money market funds |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Assets | 27,254 | 25,035
Level 1 | Interest rate swap |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Assets | 0 |
Liabilities |  | 0
Level 1 | U.S. treasury bonds |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Assets |  | 0
Level 1 | Corporate bonds |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Assets |  | 0
Level 1 | Foreign exchange derivatives |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Liabilities | 0 | 0
Level 2 | Money market funds |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Assets | 0 | 0
Level 2 | Interest rate swap |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Assets | 4,407 |
Liabilities |  | (3,078)
Level 2 | U.S. treasury bonds |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Assets |  | 757
Level 2 | Corporate bonds |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Assets |  | 1,210
Level 2 | Foreign exchange derivatives |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Liabilities | (3,000) | (372)
Level 3 | Money market funds |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Assets | 0 | 0
Level 3 | Interest rate swap |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Assets | 0 |
Liabilities |  | 0
Level 3 | U.S. treasury bonds |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Assets |  | 0
Level 3 | Corporate bonds |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Assets |  | 0
Level 3 | Foreign exchange derivatives |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Liabilities | $ 0 | $ 0

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