Guarantor Obligations, Minimum Requirement for Subsidiaries

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Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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Homebuilding Senior Notes and Other Debts Payable (Narrative) (Details) - USD ($)	1 Months Ended	6 Months Ended
	May 31, 2020	May 31, 2020	Nov. 30, 2019
Senior Notes \| 6.625% senior notes due 2020
Debt Instrument [Line Items]
Debt redeemed	$ 300,000,000
Interest rate	6.625%	6.625%
Redemption price	100.00%
Homebuilding
Debt Instrument [Line Items]
Guarantee by subsidiaries		$ 75,000,000
Homebuilding \| Unsecured revolving credit facility \| Credit Facility
Debt Instrument [Line Items]
Maximum borrowings	$ 2,450,000,000	2,450,000,000
Homebuilding \| Letter of Credit \| Credit Facility
Debt Instrument [Line Items]
Maximum borrowings	500,000,000	500,000,000
Homebuilding \| Senior Notes
Debt Instrument [Line Items]
Debt issuance cost	$ 19,600,000	$ 19,600,000	$ 22,900,000
Homebuilding \| Senior Notes \| 6.625% senior notes due 2020
Debt Instrument [Line Items]
Interest rate	6.625%	6.625%