Leases (Lease Information) (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2022	Nov. 30, 2021	Dec. 01, 2019
Lessee, Lease, Description [Line Items]
Lease right-of-use assets	$ 25,545	$ 27,693	$ 31,200
Lease liabilities	$ 27,580	$ 29,481	$ 31,200
Weighted-average remaining lease term	3 years 6 months	3 years 9 months 18 days
Weighted-average discount rate (incremental borrowing rate)	5.00%	5.10%
Lease right-of-use assets obtained in exchange for new lease liabilities	$ 3,941	$ 1,526
Cash payments on lease liabilities	$ 11,169	$ 11,613
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]	Accrued Liabilities	Accrued Liabilities	Accounts payable and accrued expenses
Homebuilding
Lessee, Lease, Description [Line Items]
Lease right-of-use assets	$ 25,469	$ 27,508
Lease liabilities	27,494	29,279
Financial service
Lessee, Lease, Description [Line Items]
Lease right-of-use assets	100	200
Lease liabilities	$ 100	$ 200