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Comprehensive Income (loss) (Table Text Block) | 9 Months Ended
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Dec. 31, 2016
Table Text Block Supplement [Abstract] |
Summary of accumulated other comprehensive income (loss) components, net of tax |
|  | Foreign Currency Translation |  | Unrealized Net Gain on Investments |  | Fair Market Value of Cash Flow Hedges |  | Postretirement Benefit Obligation Net Loss |  | Accumulated Other Comprehensive Income (Loss)
|  | (Unaudited)
|  | (In thousands)
Balance at March 31, 2016 | $ | (63,643) | $ | 14,115 | $ | (9,208) | $ | (1,789) | $ | (60,525)
Foreign currency translation |  | (7,803) |  | – |  | – |  | – |  | (7,803)
Unrealized net gain on investments |  | – |  | 42,156 |  | – |  | – |  | 42,156
Change in fair value of cash flow hedges |  | – |  | – |  | 12,078 |  | – |  | 12,078
Amounts reclassified from AOCI |  | – |  | – |  | (6,940) |  | – |  | (6,940)
Other comprehensive income (loss) |  | (7,803) |  | 42,156 |  | 5,138 |  | – |  | 39,491
Balance at December 31, 2016 | $ | (71,446) | $ | 56,271 | $ | (4,070) | $ | (1,789) | $ | (21,034)

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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=36458714&loc=SL7669686-108580 + Details
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