Schedule II-Valuation And Qualifying Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2022	Nov. 30, 2021	Nov. 30, 2020
Allowance for credit losses against notes and other receivables
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Beginning balance	$ 2,531	$ 2,394	$ 3,379
Additions, Charged to costs and expenses	145	79	661
Additions, Charged (credited) to other accounts	(497)	59	(568)
Deductions	0	(1)	(1,078)
Ending balance	2,179	2,531	2,394
Allowance for loan losses against loans receivable
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Beginning balance	2,091	4,012	4,122
Additions, Charged to costs and expenses	9,127	0	795
Additions, Charged (credited) to other accounts	0	(31)	17
Deductions	(88)	(1,890)	(922)
Ending balance	11,130	2,091	4,012
Allowance against net deferred tax assets
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Beginning balance	2,693	4,411	4,341
Additions, Charged to costs and expenses	784	0	70
Additions, Charged (credited) to other accounts	0	(1,556)	0
Deductions	(574)	(162)	0
Ending balance	$ 2,903	$ 2,693	$ 4,411