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Accumulated Other Income (Loss) Components Net of Tax (Table Text Block) | 6 Months Ended
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Sep. 30, 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 |  |  | 1,530 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 1,530 |
Unrealized net gain on investments |  |  | - |  |  |  | 8,197 |  |  |  | - |  |  |  | - |  |  |  | 8,197 |
Change in fair value of cash flow hedges |  |  | - |  |  |  | - |  |  |  | 157 |  |  |  | - |  |  |  | 157 |
Balance at September 30, 2012 |  | $ | (27,352 | ) |  | $ | 29,063 |  |  | $ | (37,972 | ) |  | $ | 709 |  |  | $ | (35,552 | )

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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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