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Basis of Presentation and Significant Accounting Policies (Tables) | 3 Months Ended
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Feb. 28, 2013
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Schedule of Basic and Diluted Loss Per Share | Basic and diluted loss per share were calculated as follows (in thousands, except per share amounts):
| Three Months Ended
| February 28, 2013 |  | February 29, 2012
Numerator: |  |  |
Net loss | $ | (12,458 | ) |  | $ | (45,802 | )
Denominator: |  |  |
Basic and diluted average shares outstanding | 79,401 |  |  | 77,090 |
Basic and diluted loss per share | $ | (.16 | ) |  | $ | (.59 | )

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations. + References No definition available. + Details
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