Loans to and Investments in Associated Companies (Other) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	May 31, 2020	May 31, 2019	May 31, 2020	May 31, 2019
Schedule of Equity Method Investments [Line Items]
Revenues	$ 1,377,531	$ 1,510,371	$ 3,069,795	$ 2,705,383
Net income	$ 43,545	$ 672,276	155,566	719,291
Equity Method Investment, Nonconsolidated Investee or Group of Investees
Schedule of Equity Method Investments [Line Items]
Revenues			472,988	4,315,679
Income from continuing operations before extraordinary items			48,721	318,837
Net income			$ 48,721	$ 318,837