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Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Mar. 31, 2022
Comprehensive income (loss) (pretax): |  |  |
Pretax earnings | $ 840,177 | $ 1,219,397 | $ 1,476,573
Comprehensive income (loss) (tax effect): |  |  |
Income tax expense | 211,470 | 294,925 | 352,211
Comprehensive income (loss) (net of tax): |  |  |
Earnings available to common stockholders | 628,707 | 924,472 | 1,124,362
Other comprehensive income (loss): |  |  |
Foreign currency translation (pretax) | 2,832 | 782 | 2,828
Foreign currency translation (tax effect) | 0 | 0 | 0
Foreign currency translation (net of tax) | 2,832 | 782 | 2,828
Unrealized gain (loss) on investments (pretax) | 70,703 | 367,533 | 57,885
Unrealized gain (loss) on investments (tax effect) | (14,846) | (78,056) | (11,507)
Unrealized gain (loss) on investments (net of tax) | 55,857 | 289,477 | 46,378
Change in fair value cash flow hedges (pretax) | 8,497 | 6,672 | 605
Change in fair value of cash flow hedges (tax effect) | (2,087) | (1,639) | (148)
Change in fair value of cash flow hedges, (net of tax) | 6,410 | 5,033 | 457
Amounts reclassified into earnings on hedging activities (pre tax) | 5,417 | 772 | 3,948
Amounts reclassified into earnings on hedging activities (tax effect) | (1,330) | (190) | (970)
Amounts reclassified into earnings on hedging activities (net of tax) | 4,087 | 582 | 2,978
Postretirement benefit obligation gain (loss) (pretax) | 1,849 | 2,772 | 2,049
Postretirement benefit obligation gain (loss) (tax effect) | (454) | (681) | (503)
Postretirement benefit obligation gain (loss) (net of tax) | 1,395 | 2,091 | 1,546
Total other comprehensive income (loss) (pretax) | 78,464 | 359,643 | 54,111
Total other comprehensive income (loss) (tax effect) | (16,057) | (75,926) | (9,886)
Total other comprehensive income (loss) (net of tax) | 62,407 | 283,717 | 44,225
Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent | 918,641 | 859,754 | 1,422,462
Other comprehensive income (loss) tax effect | (227,527) | (218,999) | (342,325)
Total comprehensive income (loss) (net of tax) | $ 691,114 | $ 640,755 | $ 1,080,137

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