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Stock-Based Compensation (Fair Value of Options and Employee Stock Purchase Plan) (Details)
12 Months Ended
Nov. 30, 2021
Nov. 30, 2020
Nov. 30, 2019
Stock Options      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expected volatility 30.00% 29.00% 25.00%
Risk-free interest rate 0.50% 1.10% 2.50%
Expected life (in years) 4 years 9 months 18 days 4 years 9 months 18 days 4 years 9 months 18 days
Expected dividend yield 1.60% 1.60% 1.80%
Employee Stock Purchase Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expected volatility 33.10% 38.20% 30.60%
Risk-free interest rate 0.10% 0.20% 2.30%
Expected life (in years) 1 year 3 months 18 days 1 year 3 months 18 days 1 year 7 months 6 days
Expected dividend yield 1.50% 2.00% 1.70%
Long-Term Incentive Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expected volatility 36.30% 34.70% 32.20%
Risk-free interest rate 0.20% 1.10% 2.50%
Expected life (in years) 2 years 9 months 18 days 2 years 9 months 18 days 2 years 9 months 18 days
Expected dividend yield 0.00% 0.00% 1.70%