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Consolidated Statements of Comprehensive Income (Loss) (Parenthetical) - USD ($)
$ in Thousands
12 Months Ended
Nov. 30, 2020
Nov. 30, 2019
Nov. 30, 2018
Statement of Comprehensive Income [Abstract]      
Cash flow hedge, gain (loss), tax expense (benefit) $ (1,176) $ (503)  
Unrealized gain (loss) on investments, net of tax provision (benefit) $ 32 $ 60 $ 57