Commitments and Contingencies (Detail) - USD ($) |
3 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Sep. 30, 2025 |
|
| Commitments and Contingencies Disclosure [Abstract] | ||
| Letters of Credit Outstanding, Amount | $ 45,100,000 | |
| Special Assessment Bond | 874,300,000 | |
| Land purchase contract deposits | 33,700,000 | $ 34,500,000 |
| Purchase Obligation | 615,900,000 | |
| Legal Fees | 637,500 | |
| Legal Settlement, Funds Contributed to Trust | 840,000 | |
| Professional Fees | $ 325,000 |
| X | ||||||||||
- Definition Legal Settlement, Funds Contributed to Trust No definition available.
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Carrying value of amounts transferred to third parties for security purposes that are expected to be returned or applied towards payment in the future. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition The amount of expense provided in the period for legal costs incurred on or before the balance sheet date pertaining to resolved, pending or threatened litigation, including arbitration and mediation proceedings. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition A fee charged for services from professionals such as doctors, lawyers and accountants. The term is often expanded to include other professions, for example, pharmacists charging to maintain a medicinal profile of a client or customer. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Including the current and noncurrent portions, carrying value as of the balance sheet date of a type of municipal bond typically used to fund a development project. Also called special assessment limited liability bond, special district bond, special purpose bond, special tax bond and community development obligation. Interest owed to lenders is paid by taxes levied on the community benefiting from the particular bond-funded project. For example, if a bond of this sort was issued to pay for sidewalks to be repaved in a certain community, an additional tax would be levied on homeowners in the area benefiting from this project. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|