Income Taxes (Deferred Income Taxes Assets And Liabilities, Carrying Amount) (Details) - USD ($) $ in Thousands	Nov. 30, 2023	Nov. 30, 2022
Deferred tax assets:
Inventory valuation adjustments	$ 39,641	$ 83,330
Reserves and accruals	193,156	199,451
Net operating loss carryforwards	52,591	61,741
Capitalized expenses	208,392	241,887
Investments in unconsolidated entities	65,254	16,311
Employee stock incentive plan	40,270	37,573
Unrealized losses on investments in equity securities	53,684	29,903
Other assets	51,785	52,770
Total deferred tax assets	704,773	722,966
Valuation allowance	(2,333)	(2,903)
Total deferred tax assets after valuation allowance	702,440	720,063
Deferred tax liabilities:
Capitalized expenses	151,912	177,726
Deferred income	168,316	253,659
Other liabilities	55,734	46,270
Total deferred tax liabilities	375,962	477,655
Net deferred tax assets	$ 326,478	$ 242,408