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Income Taxes
 3 Months Ended
Feb. 29, 2012
Income Taxes [Abstract]  
Income Taxes
17.   Income Taxes

The Company’s income tax expense totaled $.4 million for each of the three-month periods ended February 29, 2012 and February 28, 2011. Due to the effects of its deferred tax asset valuation allowances and changes in its unrecognized tax benefits, the Company’s effective tax rates for the three months ended February 29, 2012 and February 28, 2011 are not meaningful items as the Company’s income tax amounts are not directly correlated to the amount of its pretax losses for those periods.

In accordance with Accounting Standards Codification Topic No. 740, “Income Taxes” (“ASC 740”), the Company evaluates its deferred tax assets quarterly to determine if adjustments to the valuation allowance are required. ASC 740 requires that companies assess whether a valuation allowance should be established based on the consideration of all available evidence using a “more likely than not” standard with respect to whether deferred tax assets will be realized. The realization of deferred tax assets depends primarily on the Company’s ability to generate sustained profitability. During the three months ended February 29, 2012, the Company recorded a valuation allowance of $18.3 million against net deferred tax assets generated from the loss for the period. During the three months ended February 28, 2011, the Company recorded a similar valuation allowance of $45.1 million against net deferred tax assets. The Company’s net deferred tax assets totaled $1.1 million at both February 29, 2012 and November 30, 2011. The deferred tax asset valuation allowance increased to $866.1 million at February 29, 2012 from $847.8 million at November 30, 2011. This increase reflected the impact of the $18.3 million valuation allowance recorded during the three months ended February 29, 2012.

During the three months ended February 29, 2012, the Company had no additions to its total gross unrecognized tax benefits as a result of the current status of federal and state audits. The total amount of unrecognized tax benefits, including interest and penalties, that would affect the effective tax rate was $1.9 million as of February 29, 2012. The Company anticipates that total unrecognized tax benefits will decrease by approximately $.5 million during the 12 months from this reporting date due to various state filings associated with the resolution of the federal audit.

The benefits of the Company’s net operating losses (“NOLs”), built-in losses and tax credits would be reduced or potentially eliminated if the Company experienced an “ownership change” under Internal Revenue Code Section 382 (“Section 382”). Based on the Company’s analysis performed as of February 29, 2012, the Company does not believe it has experienced an ownership change as defined by Section 382, and, therefore, the NOLs, built-in losses and tax credits the Company has generated should not be subject to a Section 382 limitation as of this reporting date.