XML 77 R41.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Investments in Marketable Securities and Unconsolidated Entities - Loss from sale of marketable securities (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended
--- | ---
Dec. 31, 2014
Marketable Securities [Abstract] |
Gain (Loss) on Sale of Investments | $ 1.8 us-gaap_GainLossOnSaleOfInvestments
Other Comprehensive Income, Marketable Securities | $ 1.1 bzh_OtherComprehensiveIncomeMarketableSecurities

X
- Definition Other Comprehensive Income, Marketable Securities + References No definition available. + Details
Name: | bzh_OtherComprehensiveIncomeMarketableSecurities
Namespace Prefix: | bzh_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The net realized gain (loss) on investments sold during the period, not including gains (losses) on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity, which, for cash flow reporting, is a component of proceeds from investing activities. + References Reference 1: 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=31042434&loc=d3e3602-108585 + Details
Name: | us-gaap_GainLossOnSaleOfInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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