Income Taxes (Reconciliation of The U.S. Federal Statutory Rate to The Effective Tax Rate) (Details) - USD ($) $ in Thousands	12 Months Ended
Nov. 30, 2021	Nov. 30, 2020	Nov. 30, 2019
Income Tax Disclosure [Abstract]
Tax at U.S. Federal statutory rate	$ 20,062	$ 20,293	$ 5,984
Foreign rate differences	193	(200)	(2,619)
Effects of foreign operations included in U.S. Federal provision	(112)	(167)	451
State income taxes, net	1,215	2,087	(918)
Research credits	(410)	(905)	(1,086)
Domestic production activities deduction	0	0	(248)
Tax-exempt interest	0	(3)	(27)
Nondeductible stock-based compensation	1,548	422	1,043
Meals and entertainment	61	162	198
Compensation subject to 162(m)	346	324	422
Uncertain tax positions and tax settlements	89	245	(720)
Net excess tax benefit or detriment from stock-based compensation plans	(11)	61	(103)
Global intangible low tax inclusion	606	(307)	2,100
Foreign derived intangible deduction	(6,386)	(5,297)	(2,300)
Other	(87)	198	(82)
Total	$ 17,114	$ 16,913	$ 2,095

Effective Income Tax Rate Reconciliation, Foreign Earnings Included In Domestic Provision, Amount

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Amount of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to expense for award under share-based payment arrangement. Excludes expense determined to be nondeductible upon grant or after for award under share-based payment arrangement.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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