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Earnings Per Share (Schedule Of Antidilutive Securities) (Details)
In Millions, unless otherwise specified
12 Months Ended
Nov. 30, 2014
Nov. 30, 2013
Nov. 30, 2012
Earnings Per Share [Abstract]      
Antidilutive securities 1.6us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount 0.6us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount 0.3us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount