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Acquisitions And Dispositions (Summary Of Fair Value Of Consideration Transferred) (Details) - USD ($)
$ in Thousands
Nov. 30, 2019
Jul. 31, 2019
Expertence [Member]    
Business Acquisition [Line Items]    
Cash $ 383  
Estimated initial contingent consideration 305  
Total $ 688  
Veracity [Member]    
Business Acquisition [Line Items]    
Cash   $ 32,314
Estimated initial contingent consideration   6,290
Total   $ 38,604