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Business Segment And Geographic Information (Tables) | 12 Months Ended
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Mar. 31, 2012
Business Segment And Geographic Information [Abstract] |
Operating Results For Two Business Segments |
|  | For the years ended March 31,
Revenues |  | 2012 |  | 2011 |  | 2010
Wind | $ | 44,642 | $ | 231,761 | $ | 251,487
Grid |  | 31,901 |  | 54,842 |  | 64,468
Total | $ | 76,543 | $ | 286,603 | $ | 315,955
|  | For the years ended March 31, |
Operating (loss) income |  | 2012 |  |  | 2011 |  |  | 2010 |
Wind | $ | (62,217 | ) | $ | (100,546 | ) | $ | 91,000 |
Grid |  | (29,645 | ) |  | (63,855 | ) |  | (37,828 | )
Unallocated corporate expenses |  | (44,577 | ) |  | (13,582 | ) |  | (14,511 | )
Total | $ | (136,439 | ) | $ | (177,983 | ) | $ | 38,661 |
Total Business Segments Assets |
|  | March 31, |
|  | 2012 |  | 2011
Wind | $ | 70,054 | $ | 78,700
Grid |  | 89,091 |  | 85,607
Corporate assets |  | 95,911 |  | 276,902
Total | $ | 255,056 | $ | 441,209
Geographic Information About Revenue, Based On Shipments To Customers By Region |
|  | For the years ended March 31,
|  | 2012 |  | 2011 |  | 2010
U.S | $ | 21,347 | $ | 18,642 | $ | 40,750
North America and South America |  | 1,219 |  | 6,670 |  | 4,441
Europe |  | 2,868 |  | 10,289 |  | 14,758
China |  | 16,929 |  | 219,194 |  | 241,462
Korea |  | 12,486 |  | 10,281 |  | 8,245
India |  | 14,212 |  | 3,835 |  | 1,787
Other Asia-Pacific |  | 7,482 |  | 17,692 |  | 4,512
Total | $ | 76,543 | $ | 286,603 | $ | 315,955
Geographic Information About Property, Plant And Equipment Associated With Particular Regions |
|  | March 31,
|  | 2012 |  | 2011
U.S and other North America | $ | 83,421 | $ | 86,971
Europe |  | 3,538 |  | 5,895
Asia-Pacific |  | 3,869 |  | 3,628
Total | $ | 90,828 | $ | 96,494

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