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Income Taxes (Narrative) (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Nov. 30, 2021 | Nov. 30, 2020 | Nov. 30, 2019 | Nov. 30, 2018
Tax Credit Carryforward [Line Items] |  |  |  |
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent | 21.00% | 21.00% | 21.00% |
Current, Federal | $ 71,700,000 | $ 98,300,000 | $ 52,300,000 |
Non-U.S. subsidiaries tax loss carryforwards | 186,200,000 |  |  |
Tax loss carryforwards expiring through 2022 | 1,100,000 |  |  |
Tax loss carryforwards expiring from 2023 through 2024 | 18,700,000 |  |  |
Tax Loss Carryforwards expiring from 2025 Through 2038 | 88,000,000 |  |  |
Deferred Tax Assets, Capital Loss Carryforwards | 5,000,000 |  |  |
Net increase in the valuation allowance | 1,200,000 |  |  |
Unrecognized tax benefits | 26,800,000 | 39,300,000 | 32,000,000.0 | $ 27,900,000
Statute expirations | 6,000,000.0 | 4,200,000 | 2,500,000 |
Interest and penalty (income) / expense | (3,700,000) | 800,000 | 2,100,000 |
Interest and penalties accrued | 4,700,000 | 8,300,000 |  |
Tax benefits that would impact effective tax rate | 26,800,000 | 39,300,000 | 32,000,000 |
Deferred, Federal | (23,500,000) | $ (4,600,000) | $ (26,400,000) |
Deferred Tax Assets, Operating Loss Carryforwards, Not Subject to Expiration | 78,400,000 |  |  |
Undistributed Earnings of Foreign Subsidiaries | 1,300,000,000 |  |  |
Expiration Year 2030 |  |  |  |
Tax Credit Carryforward [Line Items] |  |  |  |
Tax Credit Carryforward, Amount | 7,000,000 |  |  |
Expiration Year 2031 |  |  |  |
Tax Credit Carryforward [Line Items] |  |  |  |
Tax Credit Carryforward, Amount | $ 5,300,000 |  |  |

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