XML 60 R49.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Borrowings - Narrative (Details) |  | 1 Months Ended | 3 Months Ended | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Jul. 30, 2016 | Oct. 31, 2017 USD ($) | Mar. 31, 2018 USD ($) lender | Mar. 31, 2017 USD ($) | Mar. 31, 2018 USD ($) lender | Mar. 31, 2017 USD ($) | Dec. 31, 2017 USD ($) | Sep. 30, 2017 USD ($) | Jan. 31, 2010 USD ($)
Line of Credit Facility [Abstract] |  |  |  |  |  |  |  |  |
Amount of available borrowings under the Secured Revolving Credit Facility |  |  | $ 170,300,000 |  | $ 170,300,000 |  | $ 145,300,000 |  |
Senior Notes [Abstract] |  |  |  |  |  |  |  |  |
Loss on extinguishment of debt |  |  | 0 | $ 15,563,000 | 25,904,000 | $ 15,563,000 |  |  |
Non-cash loss on extinguishment of debt |  |  |  |  | 3,173,000 | 3,676,000 |  |  |
Secured Debt [Abstract] |  |  |  |  |  |  |  |  |
Total debt, net |  |  | 1,325,457,000 |  | 1,325,457,000 |  |  | $ 1,327,412,000 |
Senior Notes |  |  |  |  |  |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |  |  |  |  |  |
Early repayment of senior debt |  |  | 34,500,000 |  |  |  |  |  |
Senior Notes [Abstract] |  |  |  |  |  |  |  |  |
Non-cash loss on extinguishment of debt |  |  | 3,200,000 |  |  |  |  |  |
Secured Debt [Abstract] |  |  |  |  |  |  |  |  |
Total debt, net |  |  | $ 1,258,348,000 |  | $ 1,258,348,000 |  |  | 1,259,840,000 |
Senior Notes | 5 7/8% Unsecured Senior Notes Maturing October 2027 |  |  |  |  |  |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |  |  |  |  |  |
Debt instrument, face amount |  | $ 400,000,000.0 |  |  |  |  |  |  |
Stated interest rate on debt instrument (percent) |  | 5.875% |  |  |  |  |  |  |
Senior Notes | 6 3/4% Senior Notes Maturing March 2025 |  |  |  |  |  |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |  |  |  |  |  |
Debt instrument, face amount |  |  |  | $ 250,000,000 |  | $ 250,000,000 |  |  |
Stated interest rate on debt instrument (percent) |  |  |  | 6.75% |  | 6.75% |  |  |
Repurchase price upon change of control, percent of par |  |  |  | 101.00% |  | 101.00% |  |  |
Percentage of debt outstanding after repurchase |  |  |  | 35.00% |  | 35.00% |  |  |
Senior Notes | 6 3/4% Senior Notes Maturing March 2025 | Optional Redemption Under Indenture |  |  |  |  |  |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |  |  |  |  |  |
Percentage of debt outstanding after repurchase |  |  |  | 65.00% |  | 65.00% |  |  |
Redemption option, percent of par |  |  |  | 106.75% |  | 106.75% |  |  |
Senior Notes | 5 3/4% Senior Notes Maturing June 2019 |  |  |  |  |  |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |  |  |  |  |  |
Stated interest rate on debt instrument (percent) |  |  | 5.75% |  | 5.75% |  |  |  |
Extinguishment of debt, amount |  |  | $ 225,000,000 |  |  |  |  |  |
Secured Debt [Abstract] |  |  |  |  |  |  |  |  |
Total debt, net |  |  | $ 96,393,000 |  | $ 96,393,000 |  |  | $ 321,393,000 |
Senior Notes | 7 1/4% Senior Notes Maturing February 2023 |  |  |  |  |  |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |  |  |  |  |  |
Stated interest rate on debt instrument (percent) |  |  | 7.25% |  | 7.25% |  |  | 7.25% |
Extinguishment of debt, amount |  |  | $ 175,000,000 |  |  |  |  |  |
Secured Debt [Abstract] |  |  |  |  |  |  |  |  |
Total debt, net |  |  | 24,834,000 |  | $ 24,834,000 |  |  | $ 199,834,000 |
Senior Notes | Debt Instrument, Redemption, Period Two | 5 7/8% Unsecured Senior Notes Maturing October 2027 |  |  |  |  |  |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |  |  |  |  |  |
Redemption price, percentage of principal amount redeemed |  | 35.00% |  |  |  |  |  |  |
Redemption price (as a percentage) |  | 105.875% |  |  |  |  |  |  |
Redemption price, percentage of principal amount outstanding after redemption |  | 65.00% |  |  |  |  |  |  |
Repurchase price upon change of control, percent of par |  |  |  | 101.00% |  | 101.00% |  |  |
Senior Notes | Debt Instrument, Redemption, Period Two | 7 1/4% Senior Notes Maturing February 2023 |  |  |  |  |  |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |  |  |  |  |  |
Redemption price (as a percentage) |  |  |  |  | 103.625% |  |  |  |
Junior Subordinated Notes |  |  |  |  |  |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |  |  |  |  |  |
Stated interest rate on debt instrument (percent) | 7.987% |  |  |  |  |  |  |  |
Junior Subordinated Notes [Abstract] |  |  |  |  |  |  |  |  |
Effective period of debt instrument interest rate | 10 years |  |  |  |  |  |  |  |
Face amount modification |  |  |  |  |  |  |  |  | $ 75,000,000
Unamortized accretion |  |  | $ 37,803,000 |  | $ 37,803,000 |  |  | 38,837,000 |
Secured Debt [Abstract] |  |  |  |  |  |  |  |  |
Weighted average fixed interest rate of debt (percent) |  |  | 4.24% |  | 4.24% |  |  |  |
Total debt, net |  |  | $ 62,970,000 |  | $ 62,970,000 |  |  | 61,937,000 |
Other secured notes payable |  |  |  |  |  |  |  |  |
Secured Debt [Abstract] |  |  |  |  |  |  |  |  |
Weighted average fixed interest rate of debt (percent) |  |  | 1.56% |  | 1.56% |  |  |  |
Total debt, net |  |  | $ 4,139,000 |  | $ 4,139,000 |  |  | 5,635,000 |
Revolving Credit Facility |  |  |  |  |  |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |  |  |  |  |  |
Credit facility borrowing capacity |  |  | 200,000,000.0 |  | 200,000,000.0 |  | 180,000,000.0 |  |
Inventory assets pledged as collateral |  |  | $ 800,000,000 |  | $ 800,000,000 |  |  |  |
Number of lenders | lender |  |  | 3 |  | 3 |  |  |  |
Borrowings outstanding under facility |  |  | $ 0 |  | $ 0 |  |  | $ 0 |
Letters of credit secured using cash collateral |  |  | 29,700,000 |  | 29,700,000 |  | 34,700,000 |  |
Revolving Credit Facility | Maximum |  |  |  |  |  |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |  |  |  |  |  |
Line of credit facility, allowed increase in borrowing capacity |  |  | $ 250,000,000 |  | $ 250,000,000 |  |  |  |
Aggregate collateral ratio |  |  | 4.00 |  | 4.00 |  |  |  |
Revolving Credit Facility | Minimum |  |  |  |  |  |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |  |  |  |  |  |
Line of credit facility, allowed increase in borrowing capacity |  |  | $ 50,000,000 |  | $ 50,000,000 |  |  |  |
Aggregate collateral ratio |  |  | 1.00 |  | 1.00 |  |  |  |
Letter of Credit, Cash Secured |  |  |  |  |  |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |  |  |  |  |  |
Letters of credit secured using cash collateral |  |  | $ 11,000,000 |  | $ 11,000,000 |  | $ 10,800,000 |  |

X
- Definition Aggregate collateral ratio (as defined by the underlying credit agreement) + References No definition available. + Details
Name: | bzh_AggregateCollateralRatio
Namespace Prefix: | bzh_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Debt Instrument, Face Amount, Modification + References No definition available. + Details
Name: | bzh_DebtInstrumentFaceAmountModification
Namespace Prefix: | bzh_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Debt Instrument, Interest Rate, Effective Period + References No definition available. + Details
Name: | bzh_DebtInstrumentInterestRateEffectivePeriod
Namespace Prefix: | bzh_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt Instrument, Percentage Outstanding after Repurchase with Equity Offerings- Percentage of original amount of debt instrument to remain outstanding after repurchase with equity offerings + References No definition available. + Details
Name: | bzh_DebtInstrumentPercentageofDebtOutstandingafterRepurchasewithEquityOfferings
Namespace Prefix: | bzh_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Debt Instrument, Redemption Option with Equity Offerings, Percent of Par + References No definition available. + Details
Name: | bzh_DebtInstrumentRedemptionOptionwithEquityOfferingsPercentofPar
Namespace Prefix: | bzh_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Debt Instrument, Redemption Price, Percentage of Principal Amount Outstanding After Redemption + References No definition available. + Details
Name: | bzh_DebtInstrumentRedemptionPricePercentageofPrincipalAmountOutstandingAfterRedemption
Namespace Prefix: | bzh_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt Instrument, Repurchase Price upon Change of Control, Percent of Par + References No definition available. + Details
Name: | bzh_DebtInstrumentRepurchasePriceuponChangeofControlPercentofPar
Namespace Prefix: | bzh_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line of Credit Facility, Allowed Increase in Borrowing Capacity + References No definition available. + Details
Name: | bzh_LineofCreditFacilityAllowedIncreaseinBorrowingCapacity
Namespace Prefix: | bzh_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Line of Credit Facility, Number of Lenders + References No definition available. + Details
Name: | bzh_LineofCreditFacilityNumberofLenders
Namespace Prefix: | bzh_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399 + Details
Name: | us-gaap_DebtInstrumentFaceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage price of original principal amount of debt at which debt can be redeemed by the issuer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph e -URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823 + Details
Name: | us-gaap_DebtInstrumentRedemptionPricePercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of principal amount of debt redeemed. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, after accumulated amortization, of debt discount. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28541-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400 + Details
Name: | us-gaap_DebtInstrumentUnamortizedDiscount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents the aggregate of total long-term debt, including current maturities and short-term debt. + References No definition available. + Details
Name: | us-gaap_DebtLongtermAndShorttermCombinedAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Weighted average interest rate of debt outstanding. + References No definition available. + Details
Name: | us-gaap_DebtWeightedAverageInterestRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The cash outflow for the extinguishment of long-term borrowing, with the highest claim on the assets of the entity in case of bankruptcy or liquidation, before its maturity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3291-108585 + Details
Name: | us-gaap_EarlyRepaymentOfSeniorDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Gross amount of debt extinguished. + References No definition available. + Details
Name: | us-gaap_ExtinguishmentOfDebtAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=49170532&loc=d3e12317-112629 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=49170532&loc=d3e12355-112629 + Details
Name: | us-gaap_GainsLossesOnExtinguishmentOfDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_JuniorSubordinatedLongtermNotesCurrentAndNoncurrentAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
Name: | us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_LineOfCredit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_LineOfCreditFacilityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The carrying amount, as of the date of the latest financial statement presented, of real estate owned but transferred to serve as collateral for the payment of the related debt obligation, primarily a secured borrowing or repurchase agreement, and for which the transferee is not permitted to sell or re-pledge them to an unrelated party. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 50 -Paragraph 1A -Subparagraph (b)(1)(i) -URI http://asc.fasb.org/extlink&oid=64858031&loc=SL6224234-111729 + Details
Name: | us-gaap_PledgedAssetsNotSeparatelyReportedRealEstate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_SecuredLongtermDebtCurrentAndNoncurrentAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_SeniorLongtermNotesCurrentAndNoncurrentAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_WriteOffOfDeferredDebtIssuanceCost
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | bzh_LongtermandShorttermDebtTypeAxis=us-gaap_SeniorNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=bzh_A578UnsecuredSeniorNotesMaturingOctober2027Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=bzh_A634SeniorNotesMaturingMarch2025Domain
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | bzh_DebtInstrumentCovenantComplianceStatusAxis=bzh_OptionalRedemptionUnderIndentureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=bzh_A534SeniorNotesMaturingJune2019Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=bzh_A714SeniorNotesMaturingFebruary2023Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | bzh_LongtermandShorttermDebtTypeAxis=us-gaap_JuniorSubordinatedDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | bzh_LongtermandShorttermDebtTypeAxis=us-gaap_NotesPayableOtherPayablesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=bzh_LetterofCreditCashSecuredMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |