Investments in Unconsolidated Joint Ventures (Financial Information for Unconsolidated Joint Ventures) (Details) $ in Thousands		3 Months Ended
		Feb. 28, 2023 USD ($) home joint_venture	Feb. 28, 2022 USD ($)	Nov. 30, 2022 USD ($) joint_venture home	Nov. 30, 2021 USD ($)
Statements of operations of unconsolidated joint venture
Net income		$ 125,500	$ 134,257
Assets
Total assets		6,514,101		$ 6,651,930
Liabilities and equity
Equity		3,695,463	3,134,316	3,660,795	$ 3,019,475
Total liabilities and stockholders’ equity		$ 6,514,101		$ 6,651,930
Number of investments in unconsolidated joint ventures | joint_venture		6		6
Number of joint ventures with funding commitments | joint_venture		1		1
Number of other unconsolidated joint ventures with outstanding debt | home		0		0
Financial services
Assets
Cash and cash equivalents		$ 700		$ 1,681
Other assets	[1]	29,010		27,698
Total assets		60,937		59,532
Homebuilding
Assets
Cash and cash equivalents		260,127		328,517
Other assets		102,902		101,051
Total assets		6,453,164		6,592,398
Equity Method Investment, Nonconsolidated Investee or Group of Investees | Unsecured revolving credit facility
Liabilities and equity
Line of credit facility, current borrowing capacity		$ 62,000
Unsecured revolving credit facility, expiration date		Apr. 19, 2026
Equity Method Investment, Nonconsolidated Investee or Group of Investees | Financial services
Statements of operations of unconsolidated joint venture
Revenues		$ 20,190	28,401
Other expense, net		(17,025)	(18,104)
Net income		3,165	10,297
Assets
Cash and cash equivalents		31,890		28,120
Mortgage loans held for sale		198,364		250,572
Other assets		30,547		33,176
Total assets		260,801		311,868
Liabilities and equity
Accounts payable and other liabilities		12,770		15,590
Funding facilities		191,533		242,944
Equity		56,498		53,334
Total liabilities and stockholders’ equity		260,801		311,868
Equity Method Investment, Nonconsolidated Investee or Group of Investees | Financial services | Interest Rate Lock Commitments
Liabilities and equity
Derivative asset, notional amount		28,300		29,800
Change in fair value included in gain on sale of mortgage loans held for sale		1,500	7,600
Equity Method Investment, Nonconsolidated Investee or Group of Investees | Homebuilding
Statements of operations of unconsolidated joint venture
Revenues		0	2,850
Construction and land costs		0	(2,299)
Other expense, net		(1,453)	(430)
Net income		(1,453)	$ 121
Assets
Cash		13,206		14,066
Receivables		3,389		3,394
Inventories		134,204		114,465
Other assets		587		633
Total assets		151,386		132,558
Liabilities and equity
Accounts payable and other liabilities		8,357		8,369
Notes payable		46,098		34,396
Equity		96,931		89,793
Total liabilities and stockholders’ equity		$ 151,386		$ 132,558

[1] Other assets at February 28, 2023 and November 30, 2022 included $28.9 million and $27.6 million, respectively, of contract assets for estimated future renewal commissions.