Financial Services (Schedule of Assets and Liabilities) (Details) - USD ($) $ in Thousands		Feb. 29, 2020	Nov. 30, 2019	Feb. 28, 2019	Nov. 30, 2018
Assets
Cash and cash equivalents		$ 430,927	$ 454,858	$ 512,407	$ 575,119
Receivables		297,215	249,055
Other assets		129,719	83,041
Total assets		5,052,834	5,015,482
Financial Service [Member]
Assets
Cash and cash equivalents		1,221	1,044	$ 717
Receivables		1,589	2,232
Investments in unconsolidated joint ventures		9,446	14,374
Other assets	[1]	21,556	20,746
Total assets		33,812	38,396
Liabilities
Accounts payable and accrued expenses		2,043	2,058
Total liabilities		2,043	2,058
Contract assets		$ 21,100	$ 20,600

[1] Other assets at February 29, 2020 and November 30, 2019 included $21.1 million and $20.6 million, respectively, of contract assets for estimated future renewal commissions related to then-existing insurance policies.