Financial Services (Schedule of Assets and Liabilities) (Details) - USD ($) $ in Thousands		Feb. 28, 2019	Dec. 01, 2018	Nov. 30, 2018	Feb. 28, 2018	Nov. 30, 2017
Assets
Cash and cash equivalents		$ 512,407		$ 575,119	$ 560,806	$ 720,861
Receivables		313,609		292,830
Investments in unconsolidated joint ventures		57,134		61,960
Other assets		89,560		83,100
Total assets		5,173,656		5,073,571
Financial Service [Member]
Assets
Cash and cash equivalents		717		760	$ 551
Receivables		1,602		2,885
Investments in unconsolidated joint ventures		6,995		8,594
Other assets	[1]	19,961		141
Total assets		29,275	$ 32,108	12,380
Liabilities
Accounts payable and accrued expenses		1,174		1,495
Total liabilities		1,174		$ 1,495
Contract assets		$ 19,800	$ 19,700

[1] Other assets at February 28, 2019 included $19.8 million of contract assets for estimated future renewal commissions due to our adoption of ASC 606 effective December 1, 2018, as described in Note 1 – Basis of Presentation and Significant Accounting Policies.