Financial Services (Schedule of Assets and Liabilities) (Details) - USD ($) $ in Thousands		Nov. 30, 2021	Nov. 30, 2020	Nov. 30, 2019
Assets
Cash and cash equivalents		$ 292,136	$ 682,529	$ 454,858
Total assets		5,835,918	5,356,442
Financial service
Assets
Cash and cash equivalents		1,372	1,339
Receivables		2,166	1,988
Investments in unconsolidated joint ventures		16,317	10,978
Other assets	[1]	24,347	21,897
Total assets		44,202	36,202
Liabilities
Accounts payable and accrued expenses		2,685	2,629
Total liabilities		2,685	2,629
Contract assets for estimated future renewal commissions		$ 24,100	$ 21,500

[1] Other assets at November 30, 2021 and 2020 included $24.1 million and $21.5 million, respectively, of contract assets for estimated future renewal commissions