Income Taxes (Reconciliation of Expected Income Tax Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2022	Nov. 30, 2021	Nov. 30, 2020
Increase (decrease) resulting from
Income tax expense computed at statutory rate	$ (225,121)	$ (146,023)	$ (76,449)
Income tax benefit computed at statutory rate (percent)	(21.00%)	(21.00%)	(21.00%)
Tax credits	$ 22,565	$ 49,522	$ 18,734
Tax credits (percent)	2.10%	7.10%	5.10%
Depreciation and amortization	$ 1,444	$ 5,872	$ 9,910
Depreciation and amortization (Percent)	0.20%	0.80%	2.70%
Valuation allowance for deferred tax assets	$ 300	$ 600	$ 1,200
Valuation allowance for deferred tax assets (percent)	0.00%	0.10%	0.30%
Non-deductible compensation	$ (7,905)	$ (9,241)	$ (4,812)
Non-deductible compensation (percent)	(0.70%)	(1.30%)	(1.30%)
State taxes, net of federal income tax benefit	$ (46,139)	$ (31,378)	$ (16,395)
State taxes, net of federal income tax benefit (percent)	(4.30%)	(4.50%)	(4.40%)
Other, net	$ (544)	$ 48	$ 12
Other, net (percent)	(0.10%)	0.00%	0.00%
Income tax expense	$ (255,400)	$ (130,600)	$ (67,800)
Income tax expense (percent)	(23.80%)	(18.80%)	(18.60%)