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Comprehensive Income (Tables) | 12 Months Ended
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Apr. 30, 2022
Equity [Abstract] |
Components of Accumulated Other Comprehensive Loss | The components of accumulated other comprehensive loss, net were as follows:
|  | April 30, |
|  | 2022 |  |  | 2021 |
|  | (in thousands) |
Foreign currency translation adjustments |  | $ | (92,717 | ) |  | $ | (33,666 | )
Deferred compensation and pension plan adjustments, net of taxes |  |  | 961 |  |  |  | (18,135 | )
Marketable securities unrealized loss, net of tax |  |  | (429 | ) |  |  | (19 | )
Accumulated other comprehensive loss, net |  | $ | (92,185 | ) |  | $ | (51,820 | )
Changes in Each Component of Accumulated Other Comprehensive Loss | The following table summarizes the changes in each component of accumulated other comprehensive loss, net:
|  | Foreign Currency Translation |  |  | Deferred Compensation and Pension Plan (1) |  |  | Unrealized Gains (Losses) on Marketable Securities (2) |  |  | Unrealized Gains on Interest Rate Swap (3) |  |  | Accumulated Other Comprehensive Loss |
|  |  |  |  |  | (in thousands) |  |  |  |  |
Balance as of May 1, 2019 |  | $ | (60,270 | ) |  | $ | (16,838 | ) |  | $ | — |  |  | $ | 456 |  |  | $ | (76,652 | )
Unrealized (losses) gains arising during the period |  |  | (23,382 | ) |  |  | (8,883 | ) |  |  | 37 |  |  |  | (678 | ) |  |  | (32,906 | )
Reclassification of realized net losses (gains) to net income |  |  | — |  |  |  | 2,167 |  |  |  | (3 | ) |  |  | 222 |  |  |  | 2,386 |
Balance as of April 30, 2020 |  |  | (83,652 | ) |  |  | (23,554 | ) |  |  | 34 |  |  |  | — |  |  |  | (107,172 | )
Unrealized gains (losses) arising during the period |  |  | 49,986 |  |  |  | 2,660 |  |  |  | (53 | ) |  |  | — |  |  |  | 52,593 |
Reclassification of realized net losses to net income |  |  | — |  |  |  | 2,759 |  |  |  | — |  |  |  | — |  |  |  | 2,759 |
Balance as of April 30, 2021 |  |  | (33,666 | ) |  |  | (18,135 | ) |  |  | (19 | ) |  |  | — |  |  |  | (51,820 | )
Unrealized (losses) gains arising during the period |  |  | (59,051 | ) |  |  | 17,747 |  |  |  | (411 | ) |  |  | — |  |  |  | (41,715 | )
Reclassification of realized net losses to net income |  |  | — |  |  |  | 1,349 |  |  |  | 1 |  |  |  | — |  |  |  | 1,350 |
Balance as of April 30, 2022 |  | $ | (92,717 | ) |  | $ | 961 |  |  | $ | (429 | ) |  | $ | — |  |  | $ | (92,185 | )
(1) | The tax effects on unrealized gains (losses) were $6.0 million, $1.1 million and $(3.1) million as of April 30, 2022, 2021 and 2020, respectively. The tax effects on reclassifications of realized net losses were $0.5 million, $1.0 million and $0.8 million as of April 30, 2022, 2021 and 2020, respectively.
(2) | The tax effects on unrealized (losses) were $(0.1) million as of April 30, 2022.
(3) | The tax effects on unrealized (losses) were $(0.2) million as of April 30, 2020. The tax effects on the reclassification of realized net losses to net income was $0.1 million as of April 30, 2020.

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