Employee Benefit and Stock Plans (Stock Based Compensation Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2022	Nov. 30, 2021	Nov. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense related to stock option grants	$ 29,464	$ 28,904	$ 21,531
Restricted stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense related to stock option grants	8,743	7,139	6,993
PSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense related to stock option grants	18,757	19,512	13,069
Director awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense related to stock option grants	$ 1,964	$ 2,253	$ 1,469