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Income Taxes (Summary Of Deferred Taxes) (Details) - USD ($)
$ in Thousands
Nov. 30, 2018
Nov. 30, 2017
Deferred tax assets:    
Accounts receivable $ 134 $ 226
Other assets 0 225
Accrued compensation 1,863 5,456
Accrued liabilities and other 2,106 5,402
Deferred revenue 1,348 1,160
Stock-based compensation 3,166 3,436
Tax credit and loss carryforwards 24,338 31,441
Gross deferred tax assets 32,955 47,346
Valuation allowance (8,790) (1,537)
Total deferred tax assets 24,165 45,809
Deferred tax liabilities:    
Goodwill (17,966) (26,484)
Unrealized FX gains 0 (644)
Depreciation and amortization (7,151) (20,367)
Prepaid expenses (923) 0
Total deferred tax liabilities (26,040) (47,495)
Total deferred tax liabilities, net $ (1,875) $ (1,686)