Income Taxes (Summary Of Deferred Taxes) (Details) - USD ($) $ in Thousands	Nov. 30, 2017	Nov. 30, 2016
Deferred tax assets:
Accounts receivable	$ 226	$ 360
Other assets	225	77
Accrued compensation	5,456	3,267
Accrued liabilities and other	5,402	3,207
Stock-based compensation	1,160	4,377
Deferred revenue	3,436	1,325
Tax credit and loss carryforwards	31,441	23,167
Gross deferred tax assets	47,346	35,780
Valuation allowance	(1,537)	(3,189)
Total deferred tax assets	45,809	32,591
Deferred tax liabilities:
Goodwill	(26,484)	(23,685)
Unrealized FX gains	(644)	(647)
Depreciation and amortization	(20,367)	(5,559)
Total deferred tax liabilities	(47,495)	(29,891)
Total deferred tax liabilities, net	$ (1,686)
Total deferred tax assets, net		$ 2,700