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Cash, Cash Equivalents and Investments | 12 Months Ended
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Nov. 30, 2013
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 November 30, 2013 is as follows (in thousands):
| Amortized Cost Basis |  | Realized Losses |  | Unrealized Gains |  | Unrealized Losses |  | Fair Value
Cash | $ | 144,305 |  |  | — |  |  | $ | — |  |  | $ | — |  |  | $ | 144,305 |
Money market funds | 54,513 |  |  | — |  |  | — |  |  | — |  |  | 54,513 |
State and municipal bond obligations | 30,938 |  |  | — |  |  | 164 |  |  | — |  |  | 31,102 |
Auction rate securities – municipal bonds | 27,150 |  |  | (380 | ) |  | — |  |  | (3,317 | ) |  | 23,453 |
Auction rate securities – student loans | 3,500 |  |  | — |  |  | — |  |  | (672 | ) |  | 2,828 |
Total | $ | 260,406 |  |  | $ | (380 | ) |  | $ | 164 |  |  | $ | (3,989 | ) |  | $ | 256,201 |
A summary of our cash, cash equivalents and trading and available-for-sale investments at November 30, 2012 is as follows (in thousands):
| Amortized Cost Basis |  | Unrealized Gains |  | Unrealized Losses |  | Fair Value
Cash | $ | 176,201 |  |  | $ | — |  |  | $ | — |  |  | $ | 176,201 |
Money market funds | 125,591 |  |  | — |  |  | — |  |  | 125,591 |
State and municipal bond obligations | 50,565 |  |  | 255 |  |  | (2 | ) |  | 50,818 |
Auction rate securities – municipal bonds | 27,175 |  |  | — |  |  | (3,755 | ) |  | 23,420 |
Auction rate securities – student loans | 3,500 |  |  | — |  |  | (599 | ) |  | 2,901 |
Corporate bonds | 2,608 |  |  | — |  |  | (1 | ) |  | 2,607 |
Total | $ | 385,640 |  |  | $ | 255 |  |  | $ | (4,357 | ) |  | $ | 381,538 |
Such amounts are classified on our consolidated balance sheets as follows (in thousands):
| November 30, 2013 |  | November 30, 2012
| Cash and Cash Equivalents |  | Short-Term Investments |  | Long-Term Investments |  | Cash and Cash Equivalents |  | Short-Term Investments |  | Long-Term Investments
Cash | $ | 144,305 |  |  | $ | — |  |  | $ | — |  |  | $ | 176,201 |  |  | $ | — |  |  | $ | — |
Money market funds | 54,513 |  |  | — |  |  | — |  |  | 125,591 |  |  | — |  |  | — |
State and municipal bond obligations | — |  |  | 31,102 |  |  | — |  |  | — |  |  | 50,818 |  |  | — |
Auction rate securities – municipal bonds | — |  |  | 1,520 |  |  | 21,933 |  |  | — |  |  | — |  |  | 23,420 |
Auction rate securities – student loans | — |  |  | — |  |  | 2,828 |  |  | — |  |  | — |  |  | 2,901 |
Corporate bonds | — |  |  | — |  |  | — |  |  | — |  |  | 2,607 |  |  | — |
Total | $ | 198,818 |  |  | $ | 32,622 |  |  | $ | 24,761 |  |  | $ | 301,792 |  |  | $ | 53,425 |  |  | $ | 26,321 |
During the fourth quarter of fiscal year 2013, the exit bankruptcy plan for an issuer of one of our ARS, which was in default and on whose behalf the underlying bond insurer was making interest payments, was approved by a federal bankruptcy judge in federal court. The exit bankruptcy plan included a settlement provision with the holders of the ARS, which were given the option to receive 80% of the par value of their holdings, but renounce their claim with the bond issuer, or receive 65% of the par value of their holdings and retain their insurance rights. We accepted the 80% settlement offer and as a result we adjusted the fair value of this ARS to the amount of the settlement as of November 30, 2013. The previously recorded unrealized loss associated with this ARS has been recorded as a realized loss in fiscal year 2013 due to the settlement, which we received in December 2013. The realized loss of $0.4 million is recorded in other income (expense) on the statement of operations for the fiscal year ended November 30, 2013. As this investment no longer lacks short-term liquidity, it is classified as a short-term investment on our consolidated balance sheet at November 30, 2013. For each of our ARS for which the issuer is not in default, we evaluated the risks related to the structure, collateral and liquidity of the investment, and forecasted the probability of issuer default, auction failure and a successful auction at par or a redemption at par for each future auction period. The weighted average cash flow for each period was then discounted back to present value for each security. Based on this methodology, we determined that the fair value of these ARS investments is $24.8 million and $26.3 million at November 30, 2013 and 2012, respectively. The temporary impairment recorded in accumulated other comprehensive loss to reduce the value of these available-for-sale ARS investments was $4.0 million and $4.4 million at November 30, 2013 and 2012, respectively. We will not be able to access these remaining funds until future auctions for these ARS are successful, we sell the securities in a secondary market, or they are redeemed by the issuer. As such, these remaining investments currently lack short-term liquidity and are therefore classified as long-term investments on our consolidated balance sheet at November 30, 2013. Based on our cash, cash equivalents and short-term investments balance of $231.4 million, expected operating cash flows and the availability of funds under our revolving credit facility, we do not anticipate that the lack of liquidity associated with our ARS will adversely affect our ability to conduct business and believe we have the ability to hold the affected securities throughout the currently estimated recovery period. Therefore, the impairment of these securities is considered only temporary in nature. If the credit rating of either the security issuer or the third-party insurer underlying the investments deteriorates significantly, we may be required to adjust the carrying value of the ARS through an other-than-temporary impairment charge to earnings. The fair value of debt securities by contractual maturity is as follows (in thousands):
| November 30, 2013 |  | November 30, 2012
Due in one year or less (1) | $ | 42,198 |  |  | $ | 55,001 |
Due after one year (2) | 15,185 |  |  | 24,745 |
Total | $ | 57,383 |  |  | $ | 79,746 |
(1) | Includes ARS which are tendered for interest-rate setting purposes periodically throughout the year. Beginning in February 2008, auctions for these securities began to fail, and therefore these investments currently lack short-term liquidity. The remaining contractual maturities of these securities range from 10 to 29 years.
(2) | Includes state and municipal bond obligations, which are securities representing investments available for current operations and are classified as current in the consolidated balance sheets.
Investments with continuous unrealized losses and their related fair values are as follows at November 30, 2013 (in thousands):
| Less Than 12 Months |  | 12 Months or Greater |  | Total
| Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses
Auction rate securities – municipal bonds | — |  |  | — |  |  | 21,933 |  |  | (3,317 | ) |  | 21,933 |  |  | (3,317 | )
Auction rate securities – student loans | — |  |  | — |  |  | 2,828 |  |  | (672 | ) |  | 2,828 |  |  | (672 | )
Total | $ | — |  |  | $ | — |  |  | $ | 24,761 |  |  | $ | (3,989 | ) |  | $ | 24,761 |  |  | $ | (3,989 | )
Investments with continuous unrealized losses and their related fair values are as follows at November 30, 2012 (in thousands):
| Less Than 12 Months |  | 12 Months or Greater |  | Total
| Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses
State and municipal bond obligations | $ | 5,818 |  |  | $ | (1 | ) |  | $ | 472 |  |  | $ | (1 | ) |  | $ | 6,290 |  |  | $ | (2 | )
Auction rate securities – municipal bonds | — |  |  | — |  |  | 23,420 |  |  | (3,755 | ) |  | 23,420 |  |  | (3,755 | )
Auction rate securities – student loans | — |  |  | — |  |  | 2,901 |  |  | (599 | ) |  | 2,901 |  |  | (599 | )
Corporate bonds | 2,607 |  |  | (1 | ) |  | — |  |  | — |  |  | 2,607 |  |  | (1 | )
Total | $ | 8,425 |  |  | $ | (2 | ) |  | $ | 26,793 |  |  | $ | (4,355 | ) |  | $ | 35,218 |  |  | $ | (4,357 | )
The unrealized losses associated with state and municipal bond obligations and corporate bonds are attributable to changes in interest rates. The unrealized losses associated with ARS are discussed above. Management does not believe any unrealized losses represent other-than-temporary impairments based on our evaluation of available evidence as of November 30, 2013.

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- Definition The entire disclosure of the components of cash, cash equivalents, and short-term investments. Short-term investments may include current marketable securities. + References No definition available. + Details
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