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Earnings Per Share (Reconciliation Of Average Shares Outstanding) (Details)
In Millions, unless otherwise specified
12 Months Ended
Nov. 30, 2014
Nov. 30, 2013
Nov. 30, 2012
Earnings Per Share [Abstract]      
Average shares outstanding-basic 129.9us-gaap_WeightedAverageNumberOfSharesOutstandingBasic 132.1us-gaap_WeightedAverageNumberOfSharesOutstandingBasic 132.7us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Stock options/RSUs 1.1us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment 1.5us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment 1.6us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment
Average shares outstanding-diluted 131.0us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding 133.6us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding 134.3us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding