Financial Services (Schedule of Income (Loss)) (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2021	Nov. 30, 2020	Nov. 30, 2019
Financial services:
Total	$ 5,724,930	$ 4,183,174	$ 4,552,747
Expenses
Equity in income of unconsolidated joint ventures	23,184	33,628	10,681
Total pretax income	695,346	364,043	348,175
Financial service
Financial services:
Insurance commissions	10,486	8,589	8,662
Title services	9,415	6,883	6,421
Interest income	0	0	6
Total	19,901	15,472	15,089
Expenses
General and administrative	(5,055)	(4,083)	(4,333)
Operating income	14,846	11,389	10,756
Equity in income of unconsolidated joint ventures	23,589	21,154	12,230
Total pretax income	$ 38,435	$ 32,543	$ 22,986