XML 53 R71.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Retirement Plan and Incentive Awards - Schedule of Stock Options and SSARs Outstanding and Related Activity (Details) (SSARs and Stock Options, USD $) | 12 Months Ended
--- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2011
SSARs and Stock Options |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Share Based Compensation Arrangement By Share Based Payment Award, Ssars And Options, Exercisable Number | 310,120 | 247,588 | 163,076
Shares [Roll Forward] |  |  |
Outstanding at beginning of period | 429,973 | 375,248 | 515,671
Granted | 160,651 | 109,507 | 150,853
Expired | (22,914) | (10,948) | (148,393)
Forfeited | 6,245 | (43,834) | (142,883)
Outstanding at end of period | 560,784 | 429,973 | 375,248
Vested or expected to vest in the future | 558,519 | 428,597 | 367,693
Weighted-Average Exercise Price [Roll Forward] |  |  |
Outstanding at beginning of period | $ 40.80 | $ 48.85 | $ 113.45
Granted | $ 13.56 | $ 10.80 | $ 23.45
Expired | $ 47.65 | $ 82.51 | $ 270.10
Forfeited | $ 17.93 | $ 24.13 | $ 25.45
Outstanding at end of period | $ 33.01 | $ 40.80 | $ 48.85
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period | (681) |  |
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price | $ 10.80 |  |
Exercisable at end of period | $ 48.73 | $ 58.61 | $ 64.65
Vested or expected to vest in the future | $ 33.09 | $ 40.88 | $ 49.30

X
- Definition The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of SSARs and options outstanding and currently exercisable under the plan. + References No definition available. + Details
Name: | bzh_ShareBasedCompensationArrangemenByShareBasedPaymentAwardSsarsAndOptionsExercisableWeightedAverageExercisePrice
Namespace Prefix: | bzh_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Share-based Compensation Arrangement by Share-based Payment Award, Expirations in Period + References No definition available. + Details
Name: | bzh_ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationsInPeriod
Namespace Prefix: | bzh_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share-based Compensation Arrangement by Share-based Payment Award, Forfeitures in Period + References No definition available. + Details
Name: | bzh_ShareBasedCompensationArrangementByShareBasedPaymentAwardForfeituresInPeriod
Namespace Prefix: | bzh_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share-based Compensation Arrangement by Share-based Payment Award, Outstanding, Number + References No definition available. + Details
Name: | bzh_ShareBasedCompensationArrangementByShareBasedPaymentAwardOutstandingNumber
Namespace Prefix: | bzh_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | bzh_ShareBasedCompensationArrangementByShareBasedPaymentAwardOutstandingRollForward
Namespace Prefix: | bzh_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share-based Compensation Arrangement by Share-based Payment Award, Outstanding, Weighted Average Exercise Price + References No definition available. + Details
Name: | bzh_ShareBasedCompensationArrangementByShareBasedPaymentAwardOutstandingWeightedAverageExercisePrice
Namespace Prefix: | bzh_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | bzh_ShareBasedCompensationArrangementByShareBasedPaymentAwardOutstandingWeightedAverageExercisePriceRollForward
Namespace Prefix: | bzh_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share Based Compensation Arrangement By Share Based Payment Award, Ssars And Options, Exercisable Number + References No definition available. + Details
Name: | bzh_ShareBasedCompensationArrangementByShareBasedPaymentAwardSsarsAndOptionsExercisableNumber
Namespace Prefix: | bzh_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition As of the balance sheet date, the number of shares into which fully vested and expected to vest SSARs and stock options outstanding can be converted under the plan. + References No definition available. + Details
Name: | bzh_ShareBasedCompensationArrangementByShareBasedPaymentAwardSsarsAndOptionsVestedAndExpectedToVestOutstandingNumber
Namespace Prefix: | bzh_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition As of the balance sheet date, the weighted-average exercise price for outstanding stock options that are fully vested or expected to vest. + References No definition available. + Details
Name: | bzh_ShareBasedCompensationArrangementByShareBasedPaymentAwardSsarsAndOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice
Namespace Prefix: | bzh_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Share-based Compensation Arrangements by Share-based Payment Award, Expirations in Period, Weighted Average Exercise Price + References No definition available. + Details
Name: | bzh_ShareBasedCompensationArrangementsByShareBasedPaymentAwardExpirationsInPeriodWeightedAverageExercisePrice
Namespace Prefix: | bzh_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share-based Compensation Arrangements by Share-based Payment Award, Forfeitures in Period, Weighted Average Exercise Price + References No definition available. + Details
Name: | bzh_ShareBasedCompensationArrangementsByShareBasedPaymentAwardForfeituresInPeriodWeightedAverageExercisePrice
Namespace Prefix: | bzh_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share-based Compensation Arrangements by Share-based Payment Award, Grants in Period, Weighted Average Exercise Price + References No definition available. + Details
Name: | bzh_ShareBasedCompensationArrangementsByShareBasedPaymentAwardGrantsInPeriodWeightedAverageExercisePrice
Namespace Prefix: | bzh_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph b(2)(c) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average price at which option holders acquired shares when converting their stock options into shares. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of share options (or share units) exercised during the current period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187085-122770 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.28,29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration