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Notes Payable (Schedule of Notes Payable) (Details) - USD ($)	Jun. 22, 2022	Jun. 09, 2021	Nov. 04, 2019	Feb. 20, 2019	Nov. 30, 2023	Nov. 30, 2022
Debt Instrument [Line Items]
Notes payable					$ 1,689,898,000	$ 1,838,511,000
Senior unsecured term loan due August 25, 2026 \| Senior unsecured term loan due August 25, 2026
Debt Instrument [Line Items]
Notes payable					358,156,000	357,485,000
Senior Notes \| 6.875% Senior notes due June 15, 2027
Debt Instrument [Line Items]
Notes payable					$ 298,062,000	297,595,000
Stated interest rate percentage					6.875%
Principal				$ 300,000,000
Effective interest rate				7.10%
Redemption price (percent)				100.00%
Senior Notes \| 4.80% Senior notes due November 15, 2029
Debt Instrument [Line Items]
Notes payable					$ 297,572,000	297,230,000
Stated interest rate percentage					4.80%
Principal			$ 300,000,000
Effective interest rate			5.00%
Redemption price (percent)			100.00%
Senior Notes \| 7.25% Senior notes due July 15, 2030
Debt Instrument [Line Items]
Notes payable					$ 346,101,000	345,663,000
Stated interest rate percentage	7.25%				7.25%
Principal	$ 350,000,000
Effective interest rate	7.50%
Redemption price (percent)	107.25%
Senior Notes \| 7.25% Senior notes due July 15, 2030 \| Prior to July 25, 2025
Debt Instrument [Line Items]
Redemption price (percent)	100.00%
Redemption percentage of aggregate principal amount of notes issued (percent)	40.00%
Senior Notes \| 4.00% Senior notes due June 15, 2031
Debt Instrument [Line Items]
Notes payable					$ 386,199,000	385,778,000
Stated interest rate percentage					4.00%
Principal		$ 390,000,000
Effective interest rate		4.20%
Redemption price (percent)		100.00%
Mortgages and land contracts due to land sellers and other loans (at interest rates of 7% at November 30, 2013 and 6% to 7% at November 30, 2012)
Debt Instrument [Line Items]
Notes payable					$ 3,808,000	$ 4,760,000
Stated interest rate percentage						4.50%
Mortgages and land contracts due to land sellers and other loans (at interest rates of 7% at November 30, 2013 and 6% to 7% at November 30, 2012) \| Minimum
Debt Instrument [Line Items]
Stated interest rate percentage					3.00%
Mortgages and land contracts due to land sellers and other loans (at interest rates of 7% at November 30, 2013 and 6% to 7% at November 30, 2012) \| Maximum
Debt Instrument [Line Items]
Stated interest rate percentage					4.50%
Revolving Credit Facility \| Line of Credit
Debt Instrument [Line Items]
Notes payable					$ 0	$ 150,000,000