Financial Services (Schedule of Assets and Liabilities) (Details) - USD ($) $ in Thousands		May 31, 2020	Nov. 30, 2019	May 31, 2019	Nov. 30, 2018
Assets
Cash and cash equivalents		$ 576,033	$ 454,858	$ 179,764	$ 575,119
Receivables		312,928	249,055
Other assets		126,588	83,041
Total assets		5,042,002	5,015,482
Financial Service [Member]
Assets
Cash and cash equivalents		1,027	1,044	$ 888
Receivables		1,690	2,232
Investments in unconsolidated joint ventures		14,243	14,374
Other assets	[1]	21,897	20,746
Total assets		38,857	38,396
Liabilities
Accounts payable and accrued expenses		1,848	2,058
Total liabilities		1,848	2,058
Contract assets		$ 21,500	$ 20,600

[1] Other assets at May 31, 2020 and November 30, 2019 included $21.5 million and $20.6 million, respectively, of contract assets for estimated future renewal commissions related to then-existing insurance policies.