Basis of Presentation and Significant Accounting Policies (Narratives) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Aug. 31, 2022	Aug. 31, 2021	Aug. 31, 2022	Aug. 31, 2021	May 31, 2022	Nov. 30, 2021	May 31, 2021	Nov. 30, 2020
Equity	$ 3,490,608	$ 2,841,733	$ 3,490,608	$ 2,841,733	$ 3,290,995	$ 3,019,475	$ 2,886,865	$ 2,665,769
Cash equivalents	23,500		23,500			15,400
Other comprehensive income (loss)	255,300	150,100	600,300	390,500
Retained earnings	2,939,706		2,939,706			2,379,364
Financial Service [Member]
Contract assets	26,300		26,300			24,100
Retained Earnings [Member]
Equity	$ 2,939,706	$ 2,218,217	$ 2,939,706	$ 2,218,217	$ 2,697,149	$ 2,379,364	$ 2,081,288	1,868,896
Cumulative Effect, Period of Adoption, Adjustment [Member]
Equity								(226)
Cumulative Effect, Period of Adoption, Adjustment [Member] | Retained Earnings [Member]
Equity								$ (226)