Represents the number of alleged confidential informants, on whom the plaintiffs rely in support of the claims.

No definition available.

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Namespace Prefix:	bwen_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of facilities where search was conducted during the reporting period.

+ References

No definition available.

+ Details

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Namespace Prefix:	bwen_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of grand jury subpoenas received during the reporting period.

+ References

No definition available.

+ Details

Name:	bwen_LossContingencyNumberOfGrandJurySubpoenasReceived
Namespace Prefix:	bwen_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of federal derivative lawsuits consolidated .

+ References

No definition available.

+ Details

Name:	bwen_NumberOfFederalDerivativeLawsuitsConsolidated
Namespace Prefix:	bwen_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of lawsuits alleging violation of Section 14(a) of the Exchange Act.

+ References

No definition available.

+ Details

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Namespace Prefix:	bwen_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Total costs accrued as of the balance sheet date for environmental loss contingencies.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 25

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6395460&loc=d3e13647-108346

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 5

-Paragraph 9

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 410

-SubTopic 30

-Section 50

-Paragraph 7

-URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Statement of Position (SOP)

-Number 96-1

-Paragraph 161

-Subparagraph a

-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.

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14326-108349

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_LossContingenciesLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The total number of new claims filed pertaining to a loss contingency during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 5

-Paragraph 9, 10, 11, 12

-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

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Balance Type:	na
Period Type:	duration

LEGAL PROCEEDINGS (Details) (USD $) In Thousands, unless otherwise specified	1 Months Ended		1 Months Ended
	Feb. 28, 2011 Potential violation of federal environmental laws item	Dec. 31, 2010 Potential violation of federal environmental laws	Feb. 28, 2011 Putative class action item	Mar. 30, 2011 Putative shareholder derivative lawsuits item
LEGAL PROCEEDINGS
Number of alleged confidential informants			6
Number of lawsuits				3
Number of lawsuits alleging violation of Section 14(a) of the Exchange Act in connection with proxy statement				1
Number of federal derivative lawsuits consolidated				2
Number of facilities where search was conducted	1
Number of grand jury subpoenas received	2
Estimate of remediation-related costs and expenses		$ 675