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Cash, Cash Equivalents and Investments | 6 Months Ended
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May 31, 2017
Investments and Cash [Abstract] |
Cash, Cash Equivalents and Investments | Cash, Cash Equivalents and Investments A summary of our cash, cash equivalents and available-for-sale investments at May 31, 2017 is as follows (in thousands):
| Amortized Cost Basis |  | Unrealized Gains |  | Unrealized Losses |  | Fair Value
Cash | $ | 191,940 |  |  | $ | — |  |  | $ | — |  |  | $ | 191,940 |
Money market funds | 5,946 |  |  | — |  |  | — |  |  | 5,946 |
State and municipal bond obligations | 37,195 |  |  | 11 |  |  | — |  |  | 37,206 |
U.S. treasury bonds | 5,680 |  |  | — |  |  | (28 | ) |  | 5,652 |
Corporate bonds | 4,338 |  |  | — |  |  | — |  |  | 4,338 |
Total | $ | 245,099 |  |  | $ | 11 |  |  | $ | (28 | ) |  | $ | 245,082 |
A summary of our cash, cash equivalents and available-for-sale investments at November 30, 2016 is as follows (in thousands):
| Amortized Cost Basis |  | Unrealized Gains |  | Unrealized Losses |  | Fair Value
Cash | $ | 196,863 |  |  | $ | — |  |  | $ | — |  |  | $ | 196,863 |
Money market funds | 10,173 |  |  | — |  |  | — |  |  | 10,173 |
State and municipal bond obligations | 32,831 |  |  | — |  |  | (107 | ) |  | 32,724 |
U.S. treasury bonds | 6,542 |  |  | — |  |  | (29 | ) |  | 6,513 |
Corporate bonds | 3,485 |  |  | — |  |  | (4 | ) |  | 3,481 |
Total | $ | 249,894 |  |  | $ | — |  |  | $ | (140 | ) |  | $ | 249,754 |
Such amounts are classified on our condensed consolidated balance sheets as follows (in thousands):
| May 31, 2017 |  | November 30, 2016
| Cash and Equivalents |  | Short-Term Investments |  | Cash and Equivalents |  | Short-Term Investments
Cash | $ | 191,940 |  |  | $ | — |  |  | $ | 196,863 |  |  | $ | — |
Money market funds | 5,946 |  |  | — |  |  | 10,173 |  |  | — |
State and municipal bond obligations | — |  |  | 37,206 |  |  | — |  |  | 32,724 |
U.S. treasury bonds | — |  |  | 5,652 |  |  | — |  |  | 6,513 |
Corporate bonds | — |  |  | 4,338 |  |  | — |  |  | 3,481 |
Total | $ | 197,886 |  |  | $ | 47,196 |  |  | $ | 207,036 |  |  | $ | 42,718 |
The fair value of debt securities by contractual maturity is as follows (in thousands):
| May 31, 2017 |  | November 30, 2016
Due in one year or less | $ | 30,363 |  |  | $ | 21,172 |
Due after one year (1) | 16,833 |  |  | 21,546 |
Total | $ | 47,196 |  |  | $ | 42,718 |
(1) | Includes state and municipal bond obligations and corporate bonds, which are securities representing investments available for current operations and are classified as current in the consolidated balance sheets.
We did not hold any investments with continuous unrealized losses as of May 31, 2017 or November 30, 2016.

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