Stock-Based Compensation (Narrative) (Details) $ / shares in Units, $ in Millions	12 Months Ended
	Nov. 30, 2023 USD ($) award_type $ / shares shares	Nov. 30, 2022 USD ($) $ / shares shares	Nov. 30, 2021 USD ($) $ / shares shares	Nov. 30, 2020 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Stock-based Compensation Award Types | award_type	4
Total stock-based compensation expense | $	$ 63.4	$ 60.3	$ 66.6
Unrecognized stock-based compensation expense | $	$ 22.7
Weighted average period for unrecognized stock-based compensation to be recognized	1 year 3 months 18 days
Common Stock, Capital Shares Reserved for Future Issuance	4,600,000
Intrinsic value for exercisable options | $	$ 32.2
Total intrinsic value for all options exercised | $	$ 11.3	$ 41.0	$ 10.7
Dividend yield	1.90%	1.50%	1.50%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate	21.80%	21.20%	21.30%
Expected lives	7 years 3 months 18 days	7 years 7 months 6 days	7 years 10 months 24 days
Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	3 years
Granted, Shares	264,000	208,000	219,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period	225,000	251,000	336,000
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	3 years
Exercisable period	10 years
Weighted-average grant-date fair value of an option granted (usd per share) | $ / shares	$ 19.35	$ 22.08	$ 18.36
Long-term Performance Program [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average period for unrecognized stock-based compensation to be recognized	3 years
Granted, Shares	167,000	152,000	141,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period	176,000	251,000	124,000
Price Vested Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercisable period	10 years
Weighted-average grant-date fair value of an option granted (usd per share) | $ / shares	$ 93.49
Granted, Shares	0	0	15,000	2,482,000
Risk free interest rate, maximum	0.85%
Dividend yield	1.50%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate	21.20%
Price Vested Stock Options [Member] | Share-based Payment Arrangement, Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average grant-date fair value of an option granted (usd per share) | $ / shares	$ 11.88
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent	60.00%
Price Vested Stock Options [Member] | Share-based Payment Arrangement, Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average grant-date fair value of an option granted (usd per share) | $ / shares	$ 9.26
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent	80.00%
Price Vested Stock Options [Member] | Share-based Payment Arrangement, Tranche Three
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average grant-date fair value of an option granted (usd per share) | $ / shares	$ 7.05
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent	100.00%
Price Vested Stock Options [Member] | Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected lives	5 years 7 months 6 days
Price Vested Stock Options [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected lives	6 years 2 months 12 days