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Other Comprehensive Income (Loss) and Accumulated Other Comprehensive Loss (Tables) | 3 Months Ended
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Apr. 30, 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 months ended April 30, 2023 and 2022:
|  | Three Months Ended April 30, 2023 |
|  |  |  |  | Unrealized Gains |  |  |  |
|  | Foreign |  |  | and (Losses) on |  |  |  |
|  | Currency |  |  | Available-for- |  |  |  |
|  | Translation |  |  | Sale Securities |  |  | Total |
Balance at beginning of period |  | $ | (42,824 | ) |  | $ | (5,811 | ) |  | $ | (48,635 | )
Other comprehensive income (loss) before reclassifications |  |  | 3,177 |  |  |  | 2,119 |  |  |  | 5,296 |
Amounts reclassified from accumulated other comprehensive income (loss) |  |  | — |  |  |  | 1 |  |  |  | 1 |
Net current-period other comprehensive income (loss) |  |  | 3,177 |  |  |  | 2,120 |  |  |  | 5,297 |
Balance at end of period |  | $ | (39,647 | ) |  | $ | (3,691 | ) |  | $ | (43,338 | )
|  | Three Months Ended April 30, 2022 |
|  |  |  |  | Unrealized Gains |  |  |  |
|  | Foreign |  |  | and (Losses) on |  |  |  |
|  | Currency |  |  | Available-for- |  |  |  |
|  | Translation |  |  | Sale Securities |  |  | Total |
Balance at beginning of period |  | $ | (22,204 | ) |  | $ | (2,626 | ) |  | $ | (24,830 | )
Other comprehensive income (loss) before reclassifications |  |  | (14,389 | ) |  |  | (5,265 | ) |  |  | (19,654 | )
Amounts reclassified from accumulated other comprehensive income (loss) |  |  | — |  |  |  | (112 | ) |  |  | (112 | )
Net current-period other comprehensive income (loss) |  |  | (14,389 | ) |  |  | (5,377 | ) |  |  | (19,766 | )
Balance at end of period |  | $ | (36,593 | ) |  | $ | (8,003 | ) |  | $ | (44,596 | )

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI https://asc.fasb.org/extlink&oid=126968391&loc=SL7669686-108580 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 20 -URI https://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900 + Details
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