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Fair Value Measurements | 9 Months Ended
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Aug. 31, 2021
Fair Value Disclosures [Abstract] |
Fair Value Measurements | Fair Value Measurements Assets and Liabilities Measured at Fair Value on a Recurring Basis The following table details the fair value measurements within the fair value hierarchy of our financial assets and liabilities at August 31, 2021 (in thousands):
|  |  | Fair Value Measurements Using
| Total Fair Value |  | Level 1 |  | Level 2 |  | Level 3
Assets |  |  |  |  |  |  |
Money market funds | $ | 23,205 |  |  | $ | 23,205 |  |  | $ | — |  |  | $ | — |
U.S. treasury bonds | 2,263 |  |  | — |  |  | 2,263 |  |  | — |
Corporate bonds | 1,519 |  |  | — |  |  | 1,519 |  |  | — |
Foreign exchange derivatives | 1,728 |  |  | — |  |  | 1,728 |  |  | — |
Liabilities |  |  |  |  |  |  |
Interest rate swap | $ | (4,802) |  |  | $ | — |  |  | $ | (4,802) |  |  | $ | — |
The following table details the fair value measurements within the fair value hierarchy of our financial assets and liabilities at November 30, 2020 (in thousands):
|  |  | Fair Value Measurements Using
| Total Fair Value |  | Level 1 |  | Level 2 |  | Level 3
Assets |  |  |  |  |  |  |
Money market funds | $ | 18,964 |  |  | $ | 18,964 |  |  | $ | — |  |  | $ | — |
U.S. treasury bonds | 5,051 |  |  | — |  |  | 5,051 |  |  | — |
Corporate bonds | 2,954 |  |  | — |  |  | 2,954 |  |  | — |
Foreign exchange derivatives | 1,442 |  |  | — |  |  | 1,442 |  |  | — |
Liabilities |  |  |  |  |  |  |
Interest rate swap | $ | (6,855) |  |  | $ | — |  |  | $ | (6,855) |  |  | $ | — |
When developing fair value estimates, we maximize the use of observable inputs and minimize the use of unobservable inputs. When available, we use quoted market prices to measure fair value. The valuation technique used to measure fair value for our Level 1 and Level 2 assets is a market approach, using prices and other relevant information generated by market transactions involving identical or comparable assets. If market prices are not available, the fair value measurement is based on models that use primarily market-based parameters including yield curves, volatilities, credit ratings and currency rates. In certain cases where market rate assumptions are not available, we are required to make judgments about assumptions market participants would use to estimate the fair value of a financial instrument. Fair Value of the Convertible Senior Notes The liability component of the Company’s Notes (as defined in Note 7: Debt) was recorded at $295.2 million upon issuance, which reflected the fair value of a similar debt instrument that does not have an associated convertible feature. The fair value was determined based on a discounted cash flow model and classified within Level 2 of the fair value hierarchy. The discount rate used reflected both the time value of money and credit risk inherent in the Notes. The carrying value of the liability component of the Notes will be accreted, over the remaining term to maturity, to their principal value of $360.0 million. The Notes’ fair value, inclusive of the conversion feature embedded in the Notes, was $364.7 million as of August 31, 2021. The fair value was determined based on the Notes’ quoted price in an over-the-counter market on the last trading day of the reporting period and classified within Level 1 in the fair value hierarchy. See Note 7: Debt for additional information.

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- Definition The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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