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Employee Benefit and Stock Plans (Narrative) (Details) |  |  |  |  | 12 Months Ended | 36 Months Ended |
--- | --- | --- | --- | --- | --- | --- | ---
Oct. 10, 2024 $ / shares | Sep. 30, 2024 shares | Oct. 05, 2023 $ / shares | Nov. 14, 2022 $ / shares | Nov. 30, 2024 USD ($) $ / shares shares | Nov. 30, 2023 USD ($) $ / shares shares | Nov. 30, 2022 USD ($) $ / shares shares | Nov. 30, 2022 USD ($) shares | Apr. 20, 2023 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Granted (in shares) |  |  |  |  | 0 | 0 | 0 |  |
Exercises in period, total intrinsic value | $ |  |  |  |  | $ 32,700,000 | $ 17,400,000 | $ 0 |  |
Intrinsic value of stock options outstanding | $ |  |  |  |  | 27,800,000 | 40,600,000 | 26,500,000 | $ 26,500,000 |
Intrinsic value of stock options exercisable | $ |  |  |  |  | $ 27,800,000 | 40,600,000 | 26,500,000 | $ 26,500,000 |
Treasury Stock |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Termination of grantor stock ownership trust (in shares)Dissolution of Grantor Stock Ownership Trust, Shares |  | 6,705,247 |  |  | (6,705,000) |  |  |  |
Savings Plan |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Employee contributions |  |  |  |  | 6.00% |  |  |  |
Aggregate cost related to saving plan | $ |  |  |  |  | $ 8,800,000 | $ 8,300,000 | $ 8,200,000 |  |
Net assets invested in funds consisting common stock |  |  |  |  | 6.00% | 5.00% | 3.00% | 3.00% |
Equity Incentive 2014 Amended and Restated Plan |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Number of shares authorized for issuance of stock based awards to employees |  |  |  |  |  |  |  |  | 18,200,000
Grant of stock option, Reduce the plan share capacity per share |  |  |  |  |  |  |  |  | 1
Grant of restricted stock, reduce the plan share capacity per share |  |  |  |  |  |  |  |  | 1.78
Share based payments award terms of award |  |  |  |  | 10 years |  |  |  |
Stock options |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Total unrecognized stock-based compensation expense related to unvested stock option awards | $ |  |  |  |  | $ 0 |  |  |  |
Restricted stock |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Total unrecognized stock-based compensation expense related to unvested stock option awards | $ |  |  |  |  | $ 20,000,000.0 |  |  |  |
Minimum period of restriction imposed on share grant lapse |  |  |  |  | 3 years |  |  |  |
Unrecognized share-based compensation cost weighted average period |  |  |  |  | 3 years |  |  |  |
Granted, weighted average per share grant date fair value (in dollars per share) | $ / shares |  |  |  |  | $ 74.46 | $ 41.78 | $ 27.49 |  |
Granted (in shares) |  |  |  |  | 181,287 | 329,209 | 347,131 |  |
PSUs |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Total unrecognized stock-based compensation expense related to unvested stock option awards | $ |  |  |  |  | $ 47,100,000 |  |  |  |
Minimum period of restriction imposed on share grant lapse | 3 years |  |  |  | 3 years |  |  | 3 years |
Unrecognized share-based compensation cost weighted average period |  |  |  |  | 3 years |  |  |  |
Granted, weighted average per share grant date fair value (in dollars per share) | $ / shares | $ 79.81 |  | $ 44.10 | $ 30.12 | $ 70.66 | $ 39.80 | $ 33.34 |  |
Granted (in shares) |  |  |  |  | 450,270 | 554,523 | 650,077 |  |
PSUs | Minimum |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Grant award percentage | 0.00% |  |  |  |  |  |  |  |
PSUs | Maximum |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Grant award percentage | 200.00% |  |  |  |  |  |  |  |
PSUs | PSU 2018 |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Granted (in shares) |  |  |  |  |  |  | 265,782 |  |
PSUs | PSU 2019 |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Granted (in shares) |  |  |  |  |  | 267,674 |  |  |
PSUs | PSU 2020 |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Granted (in shares) |  |  |  |  | 259,818 |  |  |  |
Non-Employee Director Deferred Common Stock |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Non option outstanding number (in shares) |  |  |  |  | 86,504 | 271,683 | 409,648 | 409,648 |

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