XML 115 R100.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Subsequent Event (Details) - USD ($) | Oct. 01, 2018 | Nov. 07, 2018 | Sep. 30, 2018 | Sep. 30, 2017
--- | --- | --- | --- | ---
Secured Revolving Credit Facility |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Maximum borrowing capacity |  |  | $ 200,000,000 | $ 180,000,000
Secured Revolving Credit Facility | Maximum |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Allowed increase in borrowing capacity |  |  | $ 250,000,000 |
Subsequent Event |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Stock repurchase program authorized amount |  | $ 50,000,000 |  |
Accelerated share repurchases, aggregate purchase price |  | $ 16,500,000 |  |
Subsequent Event | Secured Revolving Credit Facility |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Basis points | 0.50% |  |  |
Subsequent Event | Secured Revolving Credit Facility | Maximum |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Allowed increase in borrowing capacity | $ 210,000,000 |  |  |

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 Amount of cash receipt from (payment to) bank; or stock received from (issuance to) bank in the settlement of the accelerated share repurchase agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 25 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6405686&loc=d3e22802-112653 + Details
Name: | us-gaap_AcceleratedShareRepurchasesSettlementPaymentOrReceipt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
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 stock repurchase plan authorized. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramAuthorizedAmount1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |