Basis of Presentation - Narrative (Details) - USD ($) shares in Millions	3 Months Ended
Feb. 28, 2022	Feb. 28, 2021	Nov. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash and cash equivalents held in escrow	$ 894,600,000		$ 940,400,000
Cash and cash equivalents held in escrow, deposit period	2 days
Homebuilding
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Sales incentive per home	$ 8,600	$ 12,300
Sales incentive per home, percent of sales revenue	1.90%	3.00%
Nonvested shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Nonvested shares granted (in shares)	1.4	1.4

Escrow Deposit Period

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- Definition

Sales Incentive, Amount per Home

+ References

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- Definition

Sales Incentive, Amount per Home, Percent of Home Sales Revenue

+ References

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- Definition

The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.10)
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

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- Definition

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.

+ References

No definition available.

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- Definition

Net number of non-option equity instruments granted to participants.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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