Earnings Per Share and Stock Issuances-Reconciliation of Average Shares Outstanding (Details) - shares shares in Millions	3 Months Ended		6 Months Ended
	May. 31, 2015	May. 31, 2014	May. 31, 2015	May. 31, 2014
Earnings Per Share, Basic and Diluted [Abstract]
Average shares outstanding - basic (shares)	127.9	130.2	128.1	130.6
Effect of dilutive securities: [Abstract]
Stock options/Restricted Stock Units (RSUs)/MTIP	1.1	1.0	1.1	1.1
Average shares outstanding-diluted	129.0	131.2	129.2	131.7