Employee Benefit and Stock Plans (Stock Based Compensation Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2023	Nov. 30, 2022	Nov. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense related to stock option grants	$ 34,612	$ 29,464	$ 28,904
Restricted stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense related to stock option grants	9,659	8,743	7,139
PSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense related to stock option grants	23,065	18,757	19,512
Director awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense related to stock option grants	$ 1,888	$ 1,964	$ 2,253