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Acquisitions And Dispositions (Summary Of Fair Value Of Consideration Transferred) (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Nov. 30, 2019
Jul. 31, 2019
Dec. 04, 2017
Aug. 31, 2017
May 30, 2020
May 29, 2020
Business Acquisition [Line Items]            
Cash         $ 32,314  
Estimated initial contingent consideration         6,290  
Total         38,604  
Share price           $ 10.99
Expertence [Member]            
Business Acquisition [Line Items]            
Cash $ 400       383  
Estimated initial contingent consideration         305  
Total         688  
Veracity [Member]            
Business Acquisition [Line Items]            
Cash   $ 30,300        
Taskforce [Member]            
Business Acquisition [Line Items]            
Cash         4,384  
Working capital adjustment - receivable         (123)  
Common stock         2,602  
Estimated initial contingent consideration         6,514  
Total         13,377  
Shares issued in acquisition     1,072,474 226,628    
Share price     $ 10.96 $ 11.48    
Accretive [Member]            
Business Acquisition [Line Items]            
Cash     $ 20,000   20,047  
Common stock         11,754  
Total         $ 31,801