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Stock-Based Compensation (Narratives) (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
May 31, 2022
May 31, 2021
May 31, 2022
May 31, 2021
Nov. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Options outstanding (in shares) 1,674,393   1,674,393   1,674,393
Options exercisable at end of period (in dollars per share) $ 15.56   $ 15.56   $ 15.56
Weighted average remaining contractual life of stock options outstanding     3 years 4 months 24 days    
Weighted average remaining contractual life of stock options exercisable     3 years 4 months 24 days    
Aggregate intrinsic value of stock options exercisable $ 31,700   $ 31,700    
Aggregate intrinsic value of stock options outstanding $ 31,700   $ 31,700    
Options exercisable at end of period (in shares) 1,674,393   1,674,393   1,674,393
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price $ 15.56   $ 15.56   $ 15.56
Equity Option [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount $ 0   $ 0    
Stock-based compensation expense (income) associated with stock options, total 0 $ 0 0 $ 0  
Restricted Stock and Performance Unit Shares [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock-based compensation expense (income) associated with stock options, total $ 9,000 $ 8,100 $ 15,900 $ 13,700