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Other Comprehensive Income (Loss) and Accumulated Other Comprehensive Loss | 9 Months Ended
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Oct. 31, 2020
Equity [Abstract] |
Other Comprehensive Income (Loss) and Accumulated Other Comprehensive Loss | 10. Other Comprehensive Income (Loss) and Accumulated Other Comprehensive Loss The following tables present the changes in “Accumulated other comprehensive loss,” by component, net of tax, for the three and nine months ended October 31, 2020 and 2019:
|  | Three Months Ended October 31, 2020 |  |  | Nine Months Ended October 31, 2020 |
|  |  |  |  |  | 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 |  | $ | (29,180 | ) |  | $ | (23 | ) |  | $ | (29,203 | ) |  | $ | (28,328 | ) |  | $ | 324 |  |  | $ | (28,004 | )
Other comprehensive income (loss) before reclassifications |  |  | (1,693 | ) |  |  | 1 |  |  |  | (1,692 | ) |  |  | (2,545 | ) |  |  | 74 |  |  |  | (2,471 | )
Amounts reclassified from accumulated other comprehensive income (loss) |  |  | — |  |  |  | 1 |  |  |  | 1 |  |  |  | — |  |  |  | (419 | ) |  |  | (419 | )
Net current-period other comprehensive income (loss) |  |  | (1,693 | ) |  |  | 2 |  |  |  | (1,691 | ) |  |  | (2,545 | ) |  |  | (345 | ) |  |  | (2,890 | )
Balance at end of period |  | $ | (30,873 | ) |  | $ | (21 | ) |  | $ | (30,894 | ) |  | $ | (30,873 | ) |  | $ | (21 | ) |  | $ | (30,894 | )
|  | Three Months Ended October 31, 2019 |  |  | Nine Months Ended October 31, 2019 |
|  |  |  |  |  | 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 |  | $ | (37,496 | ) |  | $ | 209 |  |  | $ | (37,287 | ) |  | $ | (26,925 | ) |  | $ | (178 | ) |  | $ | (27,103 | )
Other comprehensive income (loss) before reclassifications |  |  | 7,420 |  |  |  | 170 |  |  |  | 7,590 |  |  |  | (3,151 | ) |  |  | 531 |  |  |  | (2,620 | )
Amounts reclassified from accumulated other comprehensive income (loss) |  |  | — |  |  |  | 6 |  |  |  | 6 |  |  |  | — |  |  |  | 32 |  |  |  | 32 |
Net current-period other comprehensive income (loss) |  |  | 7,420 |  |  |  | 176 |  |  |  | 7,596 |  |  |  | (3,151 | ) |  |  | 563 |  |  |  | (2,588 | )
Balance at end of period |  | $ | (30,076 | ) |  | $ | 385 |  |  | $ | (29,691 | ) |  | $ | (30,076 | ) |  | $ | 385 |  |  | $ | (29,691 | )
All unrealized gains and losses on available-for-sale securities reclassified from accumulated other comprehensive loss were recorded in “Other (loss) income, net” in the Condensed Consolidated Statements of Operations.

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- Definition The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -URI http://asc.fasb.org/topic&trid=2134417 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(21)) -URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(23)) -URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(19)) -URI http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263 + Details
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