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Income Taxes
3 Months Ended
Feb. 29, 2012
Income Taxes [Abstract]  
Income Taxes
7. INCOME TAXES

There were no significant changes to unrecognized tax benefits during the three months ended February 29, 2012 (which was $33.2 million at November 30, 2011).

There were no discrete tax adjustments for the first quarter of 2012. Income taxes for the first quarter of 2011 include $0.8 million in discrete tax benefits for the adjustment of an estimate used in a prior year tax provision.