Leases (Lease Information) (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2021		Nov. 30, 2020		Dec. 01, 2019
Document Information [Line Items]
Lease right-of-use assets	$ 27,693	[1]	$ 36,270	[1]	$ 31,200
Lease liabilities	$ 29,481	[2]	$ 38,000	[2]	$ 31,200
Weighted-average remaining lease term	3 years 9 months 18 days		4 years 6 months
Weighted-average discount rate (incremental borrowing rate)	5.10%		5.10%
Lease right-of-use assets obtained in exchange for new lease liabilities	$ 1,526		$ 14,229
Cash payments on lease liabilities	$ 11,613		$ 11,243
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Other assets		Other assets		Other assets
Operating Lease, Liability, Statement of Financial Position [Extensible List]	Accounts payable and accrued expenses		Accounts payable and accrued expenses		Accounts payable and accrued expenses
Homebuilding
Document Information [Line Items]
Lease right-of-use assets	$ 27,508		$ 35,967
Lease liabilities	29,279		37,668
Financial service
Document Information [Line Items]
Lease right-of-use assets	200		300
Lease liabilities	$ 200		$ 300

[1] Represents lease right-of-use assets within our homebuilding operations and financial services operations of $27.5 million and $.2 million, respectively, at November 30, 2021, and $36.0 million and $.3 million, respectively, at November 30, 2020.

[2] Represents lease liabilities within our homebuilding operations and financial services operations of $29.3 million and $.2 million, respectively, at November 30, 2021, and $37.7 million and $.3 million, respectively, at November 30, 2020