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Stock-Based Compensation (Narratives) (Details) - USD ($)	3 Months Ended		9 Months Ended
	Aug. 31, 2025	Aug. 31, 2024	Aug. 31, 2025	Aug. 31, 2024	Nov. 30, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding (in shares)	376,641		376,641		418,141
Options outstanding weighted average exercise price (in dollars per share)	$ 16.21		$ 16.21		$ 16.17
Exercised (in shares)			41,500
Exercised (in dollars per share)			$ 15.77
Aggregate intrinsic value of stock options outstanding	$ 17,800,000		$ 17,800,000
Aggregate intrinsic value of stock options exercisable	17,800,000		$ 17,800,000
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average remaining contractual life of stock options outstanding			1 year 2 months 12 days
Weighted average remaining contractual life of stock options exercisable			1 year 2 months 12 days
Stock-based compensation expense	0	$ 0	$ 0	$ 0
Restricted Stock and Performance Unit Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 8,400,000	$ 8,000,000.0	$ 25,100,000	$ 25,300,000