Stock-Based Compensation (Assumptions Of Stock Compensation Plans) (Details)	12 Months Ended
	Nov. 30, 2025	Nov. 30, 2024	Nov. 30, 2023
Share-Based Payment Arrangement [Abstract]
Dividend yield		2.30%	1.90%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate		22.80%	21.80%
Expected lives		7 years 1 month 6 days	7 years 3 months 18 days
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk free interest rate, minimum		4.10%	3.50%
Risk free interest rate, maximum		5.50%	4.90%
Dividend yield		2.30%	1.90%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate		22.80%	21.80%
Expected lives		7 years 1 month 6 days	7 years 3 months 18 days
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercisable period	10 years