Income Taxes (Summary Of Deferred Taxes) (Details) - USD ($) $ in Thousands	Nov. 30, 2019	Nov. 30, 2018
Deferred tax assets:
Accounts receivable	$ 174	$ 134
Accrued compensation	3,283	1,863
Accrued liabilities and other	2,690	2,106
Deferred revenue	3,995	0
Stock-based compensation	4,342	3,166
Depreciation and amortization	15,341	0
Tax credit and loss carryforwards	21,867	24,338
Gross deferred tax assets	51,692	31,607
Valuation allowance	(8,864)	(8,790)
Total deferred tax assets	42,828	22,817
Deferred tax liabilities:
Goodwill	(18,879)	(17,966)
Deferred revenue	(4,541)	(1,610)
Depreciation and amortization	0	(7,151)
Prepaid expenses	(810)	(923)
Total deferred tax liabilities	(24,230)	(27,650)
Total	$ 18,598
Total		$ (4,833)