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v2.4.1.9

Borrowings - Schedule of Long-term Debt (Details) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2014 | Sep. 30, 2014 | Apr. 30, 2014 | Feb. 28, 2013 | Sep. 30, 2013
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Debt Instrument [Line Items] |  |  |  |  |
Unamortized debt discounts | $ (4,209)us-gaap_DebtInstrumentUnamortizedDiscount | $ (4,399)us-gaap_DebtInstrumentUnamortizedDiscount |  |  |
Long-term debt | 1,536,591 us-gaap_LongTermDebt | 1,535,433 us-gaap_LongTermDebt |  |  |
Senior Notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Unamortized debt discounts | (4,209)us-gaap_DebtInstrumentUnamortizedDiscount / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember | (4,399)us-gaap_DebtInstrumentUnamortizedDiscount / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember |  |  |
Long-term debt | 1,433,735 us-gaap_LongTermDebt / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember | 1,435,183 us-gaap_LongTermDebt / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember |  |  |
Senior Notes | 8 1/8% Senior Notes Maturing June 2016 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Stated interest rate on debt instrument (percent) | 8.125%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = bzh_A818SeniorNotesMaturingJune2016Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember | 8.125%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = bzh_A818SeniorNotesMaturingJune2016Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember |  |  |
Senior notes | 172,879 us-gaap_DebtInstrumentCarryingAmount / us-gaap_DebtInstrumentAxis = bzh_A818SeniorNotesMaturingJune2016Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember | 172,879 us-gaap_DebtInstrumentCarryingAmount / us-gaap_DebtInstrumentAxis = bzh_A818SeniorNotesMaturingJune2016Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember |  |  |
Senior Notes | 6 5/8% Senior Secured Notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Stated interest rate on debt instrument (percent) | 6.625%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = bzh_SixAndFiveEighthsPercentSeniorSecuredNotesMember / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember | 6.625%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = bzh_SixAndFiveEighthsPercentSeniorSecuredNotesMember / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember |  |  |
Senior notes | 300,000 us-gaap_DebtInstrumentCarryingAmount / us-gaap_DebtInstrumentAxis = bzh_SixAndFiveEighthsPercentSeniorSecuredNotesMember / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember | 300,000 us-gaap_DebtInstrumentCarryingAmount / us-gaap_DebtInstrumentAxis = bzh_SixAndFiveEighthsPercentSeniorSecuredNotesMember / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember |  |  |
Senior Notes | 9 1/8% Senior Notes Maturing June 2018 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Stated interest rate on debt instrument (percent) | 9.125%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = bzh_A918SeniorNotesMaturingJune2018Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember | 9.125%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = bzh_A918SeniorNotesMaturingJune2018Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember |  |  |
Senior Notes | 9 1/8% Senior Notes Maturing May 2019 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Stated interest rate on debt instrument (percent) | 9.125%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = bzh_A918SeniorNotesMaturingMay2019Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember | 9.125%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = bzh_A918SeniorNotesMaturingMay2019Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember |  |  |
Senior notes | 235,000 us-gaap_DebtInstrumentCarryingAmount / us-gaap_DebtInstrumentAxis = bzh_A918SeniorNotesMaturingMay2019Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember | 235,000 us-gaap_DebtInstrumentCarryingAmount / us-gaap_DebtInstrumentAxis = bzh_A918SeniorNotesMaturingMay2019Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember |  |  |
Senior Notes | 5 3/4% Senior Notes Maturing June 2019 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Stated interest rate on debt instrument (percent) | 5.75%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = bzh_A534SeniorNotesMaturingJune2019Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember |  | 5.75%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = bzh_A534SeniorNotesMaturingJune2019Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember |  |
Senior notes | 325,000 us-gaap_DebtInstrumentCarryingAmount / us-gaap_DebtInstrumentAxis = bzh_A534SeniorNotesMaturingJune2019Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember | 325,000 us-gaap_DebtInstrumentCarryingAmount / us-gaap_DebtInstrumentAxis = bzh_A534SeniorNotesMaturingJune2019Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember |  |  |
Senior Notes | 7 1/4% Senior Notes Maturing February 2023 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Stated interest rate on debt instrument (percent) | 7.25%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = bzh_A714SeniorNotesMaturingFebruary2023Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember | 7.25%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = bzh_A714SeniorNotesMaturingFebruary2023Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember |  | 7.25%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = bzh_A714SeniorNotesMaturingFebruary2023Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember |
Senior notes | 200,000 us-gaap_DebtInstrumentCarryingAmount / us-gaap_DebtInstrumentAxis = bzh_A714SeniorNotesMaturingFebruary2023Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember | 200,000 us-gaap_DebtInstrumentCarryingAmount / us-gaap_DebtInstrumentAxis = bzh_A714SeniorNotesMaturingFebruary2023Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember |  |  |
Senior Notes | 7 1/2% Senior Notes Maturing September 2021 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Stated interest rate on debt instrument (percent) | 7.50%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = bzh_A712SeniorNotesMaturingSeptember2021Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember | 7.50%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = bzh_A712SeniorNotesMaturingSeptember2021Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember |  |  | 7.50%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = bzh_A712SeniorNotesMaturingSeptember2021Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember
Senior notes | 200,000 us-gaap_DebtInstrumentCarryingAmount / us-gaap_DebtInstrumentAxis = bzh_A712SeniorNotesMaturingSeptember2021Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember | 200,000 us-gaap_DebtInstrumentCarryingAmount / us-gaap_DebtInstrumentAxis = bzh_A712SeniorNotesMaturingSeptember2021Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember |  |  |
Senior Notes | TEU Senior Amortizing Notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Senior notes | 5,065 us-gaap_DebtInstrumentCarryingAmount / us-gaap_DebtInstrumentAxis = bzh_TeuSeniorAmortizingNotesMaturingAugust2015Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember | 6,703 us-gaap_DebtInstrumentCarryingAmount / us-gaap_DebtInstrumentAxis = bzh_TeuSeniorAmortizingNotesMaturingAugust2015Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember |  |  |
Junior Subordinated Notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Stated interest rate on debt instrument (percent) | 7.987%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = us-gaap_JuniorSubordinatedDebtMember |  |  |  |
Unamortized debt discounts | (44,500)us-gaap_DebtInstrumentUnamortizedDiscount / us-gaap_LongtermDebtTypeAxis = us-gaap_JuniorSubordinatedDebtMember |  |  |  |
Long-term debt | 56,253 us-gaap_LongTermDebt / us-gaap_LongtermDebtTypeAxis = us-gaap_JuniorSubordinatedDebtMember | 55,737 us-gaap_LongTermDebt / us-gaap_LongtermDebtTypeAxis = us-gaap_JuniorSubordinatedDebtMember |  |  |
Cash Secured Loan |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Long-term debt | 22,368 us-gaap_LongTermDebt / us-gaap_LongtermDebtTypeAxis = us-gaap_SecuredDebtMember | 22,368 us-gaap_LongTermDebt / us-gaap_LongtermDebtTypeAxis = us-gaap_SecuredDebtMember |  |  |
Other Secured Notes Payable |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Long-term debt | $ 24,235 us-gaap_LongTermDebt / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember | $ 22,145 us-gaap_LongTermDebt / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember |  |  |

X
- Definition Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20 -Article 5 Reference 2: 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 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 + Details
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- Definition Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 7 Reference 2: 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 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 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20, 22 -Article 5 Reference 6: 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 + Details
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