Financial Services (Schedule of Income (Loss)) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Aug. 31, 2020	Aug. 31, 2019	Aug. 31, 2020	Aug. 31, 2019
Revenues
Revenue from Contract with Customer, Excluding Assessed Tax	$ 999,013	$ 1,160,786	$ 2,988,918	$ 2,994,072
Expenses
Equity in income of unconsolidated joint ventures			26,855	5,859
Pretax income	101,315	91,936	237,952	183,208
Financial Service [Member]
Revenues
Insurance commissions	2,150	2,224	6,133	5,342
Title services	1,715	1,707	4,975	4,410
Interest income	0	0	0	6
Revenue from Contract with Customer, Excluding Assessed Tax	3,865	3,931	11,108	9,758
Selling, General and Administrative Expense	1,056	1,003	2,901	3,067
Expenses
Operating income	2,809	2,928	8,207	6,691
Equity in income of unconsolidated joint ventures	6,855	3,716	14,874	7,018
Pretax income	$ 9,664	$ 6,644	$ 23,081	$ 13,709