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Basis of Presentation and Significant Accounting Policies (Narratives) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
May 31, 2022
May 31, 2021
May 31, 2022
May 31, 2021
Feb. 28, 2022
Nov. 30, 2021
Feb. 28, 2021
Nov. 30, 2020
Equity $ 3,290,995 $ 2,886,865 $ 3,290,995 $ 2,886,865 $ 3,134,316 $ 3,019,475 $ 2,748,184 $ 2,665,769
Cash equivalents 15,500   15,500     15,400    
Other comprehensive income (loss) 210,700 143,400 344,900 240,400        
Retained earnings 2,697,149   2,697,149     2,379,364    
Financial Service [Member]                
Contract assets 25,500   25,500     24,100    
Retained Earnings [Member]                
Equity $ 2,697,149 $ 2,081,288 $ 2,697,149 $ 2,081,288 $ 2,499,491 $ 2,379,364 $ 1,951,657 1,868,896
Cumulative Effect, Period of Adoption, Adjustment [Member]                
Equity               (226)
Cumulative Effect, Period of Adoption, Adjustment [Member] | Retained Earnings [Member]                
Equity               $ (226)