Stock-Based Compensation (Assumptions Of Stock Compensation Plans) (Details)	12 Months Ended
	Nov. 30, 2024	Nov. 30, 2023	Nov. 30, 2022
Share-Based Payment Arrangement [Abstract]
Dividend yield	2.30%	1.90%	1.50%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate	22.80%	21.80%	21.20%
Expected lives	7 years 1 month 6 days	7 years 3 months 18 days	7 years 7 months 6 days
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk free interest rate, minimum	4.10%	3.50%	0.20%
Risk free interest rate, maximum	5.50%	4.90%	2.50%
Dividend yield	2.30%	1.90%	1.50%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate	22.80%	21.80%	21.20%
Expected lives	7 years 1 month 6 days	7 years 3 months 18 days	7 years 7 months 6 days
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercisable period	10 years