Employee Benefit and Stock Plans (Stock Based Compensation Expense) (Details) - USD ($)
$ in Thousands |
12 Months Ended |
Nov. 30, 2021 |
Nov. 30, 2020 |
Nov. 30, 2019 |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
| Stock-based compensation expense related to stock option grants |
$ 28,904
|
$ 21,531
|
$ 18,312
|
| Stock options |
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
| Stock-based compensation expense related to stock option grants |
0
|
0
|
189
|
| Restricted stock |
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
| Stock-based compensation expense related to stock option grants |
7,139
|
6,993
|
6,080
|
| PSUs |
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
| Stock-based compensation expense related to stock option grants |
19,512
|
13,069
|
10,742
|
| Director awards |
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
| Stock-based compensation expense related to stock option grants |
$ 2,253
|
$ 1,469
|
$ 1,301
|