Stock-Based Compensation (Assumptions Of Stock Compensation Plans) (Details)	12 Months Ended
	Nov. 30, 2013	Nov. 30, 2012	Nov. 30, 2011
Share-based Compensation [Abstract]
Risk free interest rate, minimum	0.10%	0.10%	0.10%
Risk free interest rate, maximum	1.80%	2.20%	3.50%
Dividend yield	1.90%	2.30%	2.40%
Expected volatility rate, minimum	14.50%	16.50%	15.20%
Expected volatility rate, maximum	20.60%	21.60%	22.20%
Expected lives	6 years 73 days	6 years 37 days	6 years 146 days