XML 59 R44.htm IDEA: XBRL DOCUMENT
v3.23.3

Basis of Presentation and Summary of Significant Accounting Policies (Details) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2023 USD ($) | Sep. 30, 2023 USD ($) home | Sep. 30, 2022 USD ($) | Sep. 30, 2021 USD ($)
Summary of Significant Accounting Policies [Line Items] |  |  |  |
Threshold number of homes below a minimum threshold of profitability | home |  | 10 |  |
Measurement threshold of likelihood of being realized (percent) |  | 50.00% |  |
Tax refunds received | $ 9,200 | $ 9,987 | $ 0 | $ 1,078
Additional interest payment | $ 400 |  |  |
Customer deposits |  | 27,577 | 34,270 |
Contract with customer, liability, revenue recognized |  | 29,200 |  |
Refunded by buyer |  | 4,600 |  |
Advertising costs |  | $ 15,100 | $ 14,400 | $ 14,000
Minimum |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |
Estimated time to develop, sell, construct and close all homes (in years) |  | 3 years |  |
Estimated future warranty costs as a percentage or revenue (percent) |  | 0.30% |  |
Maximum |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |
Estimated time to develop, sell, construct and close all homes (in years) |  | 5 years |  |
Estimated future warranty costs as a percentage or revenue (percent) |  | 1.00% |  |

X
- Definition Estimated Future Warranty Costs, Percent of Total Revenue + References No definition available. + Details
Name: | bzh_EstimatedFutureWarrantyCostsPercentOfRevenue
Namespace Prefix: | bzh_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Proceeds from Income Tax Interest Payment + References No definition available. + Details
Name: | bzh_ProceedsFromIncomeTaxInterestPayment
Namespace Prefix: | bzh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Recognition Of Income Tax Position, Threshold On Likelihood of Being Realized + References No definition available. + Details
Name: | bzh_RecognitionOfIncomeTaxPositionThresholdOnLikelihoodOfBeingRealized
Namespace Prefix: | bzh_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Summary of Significant Accounting Policies [Line Items] + References No definition available. + Details
Name: | bzh_SummaryOfSignificantAccountingPoliciesLineItems
Namespace Prefix: | bzh_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Threshold Number of Homes Below a Minimum Threshold of Profitability + References No definition available. + Details
Name: | bzh_ThresholdNumberofHomesBelowaMinimumThresholdofProfitability
Namespace Prefix: | bzh_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Length of time to fully develop, sell, construct and close all the houses in a typical community + References No definition available. + Details
Name: | bzh_TimeToDevelopSellConstructAndCloseAllHouses
Namespace Prefix: | bzh_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 720 -SubTopic 35 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483406/720-35-50-1 + Details
Name: | us-gaap_AdvertisingExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479837/606-10-45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-8 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479837/606-10-45-2 + Details
Name: | us-gaap_ContractWithCustomerLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of increase (decrease) in revenue recognized for cumulative catch-up adjustment from change in estimate of transaction price which (increases) decreases obligation to transfer good or service to customer for which consideration from customer has been received or is due. Includes, but is not limited to, change in assessment of whether estimate of variable consideration is constrained. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-10 + Details
Name: | us-gaap_ContractWithCustomerLiabilityCumulativeCatchUpAdjustmentToRevenueChangeInEstimateOfTransactionPrice
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-8 + Details
Name: | us-gaap_ContractWithCustomerLiabilityRevenueRecognized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of cash received during the period as refunds for the overpayment of taxes. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 25 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-25 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482913/230-10-50-2 + Details
Name: | us-gaap_ProceedsFromIncomeTaxRefunds
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |