XML 63 R60.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 | 9 Months Ended
--- | --- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2012 | Dec. 31, 2011
Segment Reporting Information [Line Items] |  |  |  |
Revenues | $ 17,417 | $ 18,058 | $ 67,000 | $ 47,916
Operating (loss) income | (20,616) | (26,569) | (41,714) | (116,020)
Wind [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 6,808 | 10,125 | 35,321 | 27,836
Operating (loss) income | (5,365) | (14,014) | (10,514) | (54,719)
Grid [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 10,609 | 7,933 | 31,679 | 20,080
Operating (loss) income | (6,705) | (6,313) | (18,620) | (24,511)
Unallocated Corporate Expenses [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating (loss) income | $ (8,546) | $ (6,242) | $ (12,580) | $ (36,790)

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