XML 35 R56.htm IDEA: XBRL DOCUMENT v2.4.0.6

Business Segments (Operating Results For Two Business Segments) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Segment Reporting Information [Line Items]
Revenues	$ 20,867	$ 20,800	$ 49,583	$ 29,858
Operating (loss) income	(14,970)	(51,125)	(21,098)	(89,451)
Wind [Member]
Segment Reporting Information [Line Items]
Revenues	12,002	13,449	28,513	17,712
Operating (loss) income	(6,449)	(16,336)	(5,148)	(40,705)
Grid [Member]
Segment Reporting Information [Line Items]
Revenues	8,865	7,351	21,070	12,146
Operating (loss) income	(6,572)	(7,645)	(11,915)	(18,197)
Unallocated Corporate Expenses [Member]
Segment Reporting Information [Line Items]
Operating (loss) income	$ (1,949)	$ (27,144)	$ (4,035)	$ (30,549)

X

- Definition

The net result for the period of deducting operating expenses from operating revenues.

+ References

No definition available.

+ Details

Name:	us-gaap_OperatingIncomeLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688



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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

+ Details

Name:	us-gaap_SalesRevenueNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

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