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Accumulated Other Income (Loss) Components Net of Tax (Table Text Block) | 9 Months Ended
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Dec. 31, 2012
Table Text Block Supplement [Abstract] |
Schedule of accumulated other comprehensive income (loss) | A summary of accumulated other comprehensive income (loss) components, net of tax, were as follows:
|  | Foreign Currency Translation |  | Unrealized Net Gain on Investments |  | Fair Market Value of Cash Flow Hedges |  | Postretirement Benefit Obligation Gain |  | Accumulated Other Comprehensive Income (Loss)
|  | (Unaudited)
|  | (In thousands)
Balance at March 31, 2012 | $ | (28,882 | ) | 20,866 | $ | (38,129 | ) | 709 | $ | (45,436 | )
Foreign currency translation |  | 462 |  | - |  | - |  | - |  | 462
Unrealized net gain on investments |  | - |  | 19,991 |  | - |  | - |  | 19,991
Change in fair value of cash flow hedges |  | - |  | - |  | 2,791 |  | - |  | 2,791
Balance at December 31, 2012 | $ | (28,420 | ) | 40,857 | $ | (35,338 | ) | 709 | $ | (22,192 | )

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=20435746&loc=SL7669686-108580 + Details
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