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Other Comprehensive Income (Loss) and Accumulated Other Comprehensive Income (Loss) (Tables) | 12 Months Ended
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Jan. 31, 2017
Changes in Accumulated Other Comprehensive Income (Loss) by Component, Net of Tax | The following tables present the changes in “Accumulated other comprehensive income (loss),” by component, net of tax, for the fiscal years ended January 31, 2017 and 2016, respectively:
|  | Fiscal Year Ended January 31, 2017 |
|  | Foreign Currency Translation |  |  | Unrealized Gains and (Losses) on Available-for- Sale Securities |  |  | Total |
Beginning Balance |  | $ | (23,479 | ) |  | $ | 28 |  |  |  | (23,451 | )
Other comprehensive income (loss) before reclassifications |  |  | (10,533 | ) |  |  | (2 | ) |  |  | (10,535 | )
Amounts reclassified from accumulated other comprehensive income (loss) |  |  | — |  |  |  | (83 | ) |  |  | (83 | )
Net current-period total other comprehensive income/(loss) |  |  | (10,533 | ) |  |  | (85 | ) |  |  | (10,618 | )
Ending Balance |  | $ | (34,012 | ) |  | $ | (57 | ) |  | $ | (34,069 | )
|  | Fiscal Year Ended January 31, 2016 |
|  | Foreign Currency Translation |  |  | Unrealized Gains and (Losses) on Available-for- Sale Securities |  |  | Total |
Beginning Balance |  | $ | (15,516 | ) |  | $ | 89 |  |  | $ | (15,427 | )
Other comprehensive income (loss) before reclassifications |  |  | (7,963 | ) |  |  | (104 | ) |  |  | (8,067 | )
Amounts reclassified from accumulated other comprehensive income (loss) |  |  | — |  |  |  | 43 |  |  |  | 43 |
Net current-period total other comprehensive income/(loss) |  |  | (7,963 | ) |  |  | (61 | ) |  |  | (8,024 | )
Ending Balance |  | $ | (23,479 | ) |  | $ | 28 |  |  | $ | (23,451 | )

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=66004124&loc=SL7669686-108580 + Details
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Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
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Period Type: | duration