Income Taxes (Summary Of Deferred Taxes) (Details) - USD ($) $ in Thousands	Nov. 30, 2021	Nov. 30, 2020
Deferred tax assets:
Accounts receivable	$ 143	$ 241
Accrued compensation	4,407	2,861
Accrued liabilities and other	2,898	4,430
Deferred revenue	8,081	9,032
Stock-based compensation	6,401	4,814
Original issue discount	9,132	0
Tax credit and loss carryforwards	35,376	42,189
Operating lease liabilities	5,257	5,531
Gross deferred tax assets	71,695	69,098
Valuation allowance	(7,315)	(9,876)
Total deferred tax assets	64,380	59,222
Deferred tax liabilities:
Goodwill	(21,867)	(20,624)
Right-of-use lease assets	(3,925)	(4,837)
Deferred revenue	(1,483)	(3,027)
Depreciation and amortization	(34,532)	(15,924)
Prepaid expenses	(1,906)	(334)
Notes payable	(13,415)	0
Total deferred tax liabilities	(77,128)	(44,746)
Total	$ (12,748)
Total		$ 14,476