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Employee Benefit and Stock Plans - Narrative (Details) |  |  |  | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Oct. 08, 2020 $ / shares | Oct. 03, 2019 $ / shares | Oct. 05, 2018 $ / shares | Nov. 30, 2020 USD ($) $ / shares shares | Nov. 30, 2019 USD ($) $ / shares shares | Nov. 30, 2018 USD ($) $ / shares shares | May 31, 2020 shares | Nov. 30, 2017 shares | Apr. 07, 2016 shares | Apr. 03, 2014 shares
Employee Benefit and Stock Plans (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures |  |  |  | 0 | 0 | 0 |  |  |  |
Employee Benefit and Stock Plan (Additional Textual) [Abstract] |  |  |  |  |  |  |  |  |  |
Exercises in period, total intrinsic value | $ |  |  |  | $ 48,200,000 | $ 37,100,000 | $ 11,800,000 |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period |  |  |  | 1,694,767 | 2,300,004 | 1,195,926 |  |  |  |
Intrinsic value of stock options outstanding | $ |  |  |  | $ 48,900,000 | $ 89,900,000 | $ 51,900,000 |  |  |  |
Intrinsic value of stock options exercisable | $ |  |  |  | $ 48,900,000 | $ 89,900,000 | $ 50,500,000 |  |  |  |
Shares of common stock held in trust |  |  |  | 7,124,317 | 7,630,582 |  | 7,317,336 |  |  |
Stock Options |  |  |  |  |  |  |  |  |  |
Employee Benefit and Stock Plans (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |
Total unrecognized stock-based compensation expense related to unvested stock option awards | $ |  |  |  | $ 0 |  |  |  |  |  |
Restricted Stock |  |  |  |  |  |  |  |  |  |
Employee Benefit and Stock Plans (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition |  |  |  | 3 years |  |  |  |  |  |
Minimum period of restriction imposed on share grant lapse |  |  |  | 3 years |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period |  |  |  | 265,187 | 282,523 | 303,030 |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value | $ / shares |  |  |  | $ 35.57 | $ 31.67 | $ 23.05 |  |  |  |
Total unrecognized stock-based compensation expense related to unvested stock option awards | $ |  |  |  | $ 12,800,000 |  |  |  |  |  |
Employee Benefit and Stock Plan (Additional Textual) [Abstract] |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number |  |  |  | 423,215 | 500,066 | 555,457 |  | 503,926 |  |
Performance Shares |  |  |  |  |  |  |  |  |  |
Employee Benefit and Stock Plans (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |
Minimum period of restriction imposed on share grant lapse |  |  |  | 3 years |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period |  |  |  | 397,452 | 468,957 | 603,424 |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value | $ / shares | $ 40.06 | $ 33.10 | $ 23.05 | $ 40.05 | $ 30.45 | $ 25.70 |  |  |  |
Total unrecognized stock-based compensation expense related to unvested stock option awards | $ |  |  |  | $ 34,300,000 |  |  |  |  |  |
Employee Benefit and Stock Plan (Additional Textual) [Abstract] |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number |  |  |  | 1,346,870 | 1,262,664 | 1,090,967 |  | 925,232 |  |
Director Plan SARs |  |  |  |  |  |  |  |  |  |
Employee Benefit and Stock Plans (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number |  |  |  | 155,569 | 224,674 | 308,880 |  |  |  |
Non-Employee Director Deferred Common Stock [Domain] |  |  |  |  |  |  |  |  |  |
Employee Benefit and Stock Plans (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number |  |  |  | 548,952 | 519,160 | 490,240 |  |  |  |
Maximum | Performance Shares |  |  |  |  |  |  |  |  |  |
Employee Benefit and Stock Plans (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants, Award Share Percentage |  |  |  | 200.00% |  |  |  |  |  |
Minimum | Performance Shares |  |  |  |  |  |  |  |  |  |
Employee Benefit and Stock Plans (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants, Award Share Percentage |  |  |  | 0.00% |  |  |  |  |  |
Equity Incentive Two Thousand Fourteen Plan |  |  |  |  |  |  |  |  |  |
Employee Benefit and Stock Plans (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |
Number of shares authorized for issuance of stock based awards to employees |  |  |  | 12,300,000 |  |  |  |  | 7,500,000 | 4,800,000
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 |
Employee Benefit and Stock Plan (Additional Textual) [Abstract] |  |  |  |  |  |  |  |  |  |
Share Based payments award terms of Award |  |  |  | 10 years |  |  |  |  |  |
2010 Equity Incentive Plan |  |  |  |  |  |  |  |  |  |
Employee Benefit and Stock Plans (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures |  |  |  | 0 |  |  |  |  |  |
Saving Plan |  |  |  |  |  |  |  |  |  |
Employee Benefit and Stock Plans (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |
Aggregate cost related to saving plan | $ |  |  |  | $ 6,500,000 | $ 6,900,000 | $ 6,000,000.0 |  |  |  |
Net assets invested in funds consisting common stock |  |  |  | 4.00% | 5.00% | 5.00% |  |  |  |
Director Plan SARs |  |  |  |  |  |  |  |  |  |
Employee Benefit and Stock Plan (Additional Textual) [Abstract] |  |  |  |  |  |  |  |  |  |
Share Based payments award terms of Award |  |  |  | 15 years |  |  |  |  |  |
PSU 2014 | Performance Shares |  |  |  |  |  |  |  |  |  |
Employee Benefit and Stock Plans (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period |  |  |  |  |  | 194,529 |  |  |  |
PSU 2015 | Performance Shares |  |  |  |  |  |  |  |  |  |
Employee Benefit and Stock Plans (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period |  |  |  |  | 119,260 |  |  |  |  |
PSU 2016 [Member] | Performance Shares |  |  |  |  |  |  |  |  |  |
Employee Benefit and Stock Plans (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period |  |  |  | 108,511 |  |  |  |  |  |

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- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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