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Accumulated Other Comprehensive Income (loss) (Table Text Block) | 9 Months Ended
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Dec. 31, 2021
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 as of March 31, 2021 $ (52,929) $ 167,653 $ (3,879) $ (3,988) $ 106,857 Foreign currency translation (2,288) – – – (2,288) Unrealized net loss on investments – (43,637) – – (43,637) Change in fair value of cash flow hedges – – 71 – 71 Amounts reclassified into earnings on hedging activities – – 2,261 – 2,261 Other comprehensive income (loss) (2,288) (43,637) 2,332 – (43,593) Balance as of December 31, 2021$( 55,217 )$ 124,016 $ ( 1,547 )$ ( 3,988 )$ 63,264

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