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Other Comprehensive Income (Loss) and Accumulated Other Comprehensive Loss (Tables) | 6 Months Ended
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Jul. 31, 2023
Equity [Abstract] |
Changes in Accumulated Other Comprehensive Loss by Component, Net of Tax | The following tables present the changes in “Accumulated other comprehensive loss,” by component, net of tax, for the three and six months ended July 31, 2023 and 2022:
|  | Three Months Ended July 31, 2023 |  |  | Six Months Ended July 31, 2023 |
|  |  |  |  | Unrealized Gains |  |  |  |  |  |  |  |  | Unrealized Gains |  |  |  |
|  | Foreign |  |  | and (Losses) on |  |  |  |  |  | Foreign |  |  | and (Losses) on |  |  |  |
|  | Currency |  |  | Available-for- |  |  |  |  |  | Currency |  |  | Available-for- |  |  |  |
|  | Translation |  |  | Sale Securities |  |  | Total |  |  | Translation |  |  | Sale Securities |  |  | Total |
Balance at beginning of period |  | $ | (39,647 | ) |  | $ | (3,691 | ) |  | $ | (43,338 | ) |  | $ | (42,824 | ) |  | $ | (5,811 | ) |  | $ | (48,635 | )
Other comprehensive income (loss) before reclassifications |  |  | 4,515 |  |  |  | 28 |  |  |  | 4,543 |  |  |  | 7,692 |  |  |  | 2,147 |  |  |  | 9,839 |
Amounts reclassified from accumulated other comprehensive income (loss) |  |  | — |  |  |  | (7 | ) |  |  | (7 | ) |  |  | — |  |  |  | (6 | ) |  |  | (6 | )
Net current-period other comprehensive income (loss) |  |  | 4,515 |  |  |  | 21 |  |  |  | 4,536 |  |  |  | 7,692 |  |  |  | 2,141 |  |  |  | 9,833 |
Balance at end of period |  | $ | (35,132 | ) |  | $ | (3,670 | ) |  | $ | (38,802 | ) |  | $ | (35,132 | ) |  | $ | (3,670 | ) |  | $ | (38,802 | )
|  | Three Months Ended July 31, 2022 |  |  | Six Months Ended July 31, 2022 |
|  |  |  |  | Unrealized Gains |  |  |  |  |  |  |  |  | Unrealized Gains |  |  |  |
|  | Foreign |  |  | and (Losses) on |  |  |  |  |  | Foreign |  |  | and (Losses) on |  |  |  |
|  | Currency |  |  | Available-for- |  |  |  |  |  | Currency |  |  | Available-for- |  |  |  |
|  | Translation |  |  | Sale Securities |  |  | Total |  |  | Translation |  |  | Sale Securities |  |  | Total |
Balance at beginning of period |  | $ | (36,593 | ) |  | $ | (8,003 | ) |  | $ | (44,596 | ) |  | $ | (22,204 | ) |  | $ | (2,626 | ) |  | $ | (24,830 | )
Other comprehensive income (loss) before reclassifications |  |  | (6,243 | ) |  |  | 876 |  |  |  | (5,367 | ) |  |  | (20,632 | ) |  |  | (4,389 | ) |  |  | (25,021 | )
Amounts reclassified from accumulated other comprehensive income (loss) |  |  | — |  |  |  | (222 | ) |  |  | (222 | ) |  |  | — |  |  |  | (334 | ) |  |  | (334 | )
Net current-period other comprehensive income (loss) |  |  | (6,243 | ) |  |  | 654 |  |  |  | (5,589 | ) |  |  | (20,632 | ) |  |  | (4,723 | ) |  |  | (25,355 | )
Balance at end of period |  | $ | (42,836 | ) |  | $ | (7,349 | ) |  | $ | (50,185 | ) |  | $ | (42,836 | ) |  | $ | (7,349 | ) |  | $ | (50,185 | )

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