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Summary Of Significant Accounting Policies (Compensation Expense Related to the Company's Share-based Awards) (Details) - USD ($)
$ in Thousands
12 Months Ended
Nov. 30, 2021
Nov. 30, 2020
Nov. 30, 2019
Accounting Policies [Abstract]      
Total compensation expense for nonvested share-based awards $ 135,090 $ 107,131 $ 86,940