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Other Comprehensive Income (Loss) and Accumulated Other Comprehensive Income (Loss) | 6 Months Ended
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Jul. 31, 2015
Other Comprehensive Income (Loss) and Accumulated Other Comprehensive Income (Loss) | 8. Other Comprehensive Income (Loss) and Accumulated Other Comprehensive Income (Loss) The following tables present the changes in accumulated other comprehensive income (loss), by component, net of tax, for the three and six months ended July 31, 2015 and 2014, respectively:
|  | Three Months Ended July 31, 2015 |  |  | Six Months Ended July 31, 2015 |
|  | Foreign Currency Translation |  |  | Unrealized Gains and (Losses) on Available-for- Sale Securities |  |  | Total |  |  | Foreign Currency Translation |  |  | Unrealized Gains and (Losses) on Available-for- Sale Securities |  |  | Total |
Balance at beginning of period |  | $ | (12,371 | ) |  | $ | 51 |  |  | $ | (12,320 | ) |  | $ | (15,516 | ) |  | $ | 89 |  |  | $ | (15,427 | )
Other comprehensive income (loss) before reclassifications |  |  | 2,353 |  |  |  | (64 | ) |  |  | 2,289 |  |  |  | 5,498 |  |  |  | (105 | ) |  |  | 5,393 |
Amounts reclassified from accumulated other comprehensive income (loss) |  |  | — |  |  |  | 39 |  |  |  | 39 |  |  |  | — |  |  |  | 42 |  |  |  | 42 |
Net current-period other comprehensive income (loss) |  |  | 2,353 |  |  |  | (25 | ) |  |  | 2,328 |  |  |  | 5,498 |  |  |  | (63 | ) |  |  | 5,435 |
Balance at end of period |  | $ | (10,018 | ) |  | $ | 26 |  |  | $ | (9,992 | ) |  | $ | (10,018 | ) |  | $ | 26 |  |  | $ | (9,992 | )
|  | Three Months Ended July 31, 2014 |  |  | Six Months Ended July 31, 2014 |
|  | Foreign Currency Translation |  |  | Unrealized Gains and (Losses) on Available-for- Sale Securities |  |  | Total |  |  | Foreign Currency Translation |  |  | Unrealized Gains and (Losses) on Available-for- Sale Securities |  |  | Total |
Balance at beginning of period |  | $ | 1,480 |  |  | $ | 240 |  |  | $ | 1,720 |  |  | $ | (1,388 | ) |  | $ | 420 |  |  | $ | (968 | )
Other comprehensive income (loss) before reclassifications |  |  | 828 |  |  |  | (263 | ) |  |  | 565 |  |  |  | 3,696 |  |  |  | (513 | ) |  |  | 3,183 |
Amounts reclassified from accumulated other comprehensive income (loss) |  |  | — |  |  |  | 101 |  |  |  | 101 |  |  |  | — |  |  |  | 171 |  |  |  | 171 |
Net current-period other comprehensive income (loss) |  |  | 828 |  |  |  | (162 | ) |  |  | 666 |  |  |  | 3,696 |  |  |  | (342 | ) |  |  | 3,354 |
Balance at end of period |  | $ | 2,308 |  |  | $ | 78 |  |  | $ | 2,386 |  |  | $ | 2,308 |  |  | $ | 78 |  |  | $ | 2,386 |
All unrealized gains and losses on available-for-sale securities reclassified from accumulated other comprehensive income (loss) were recorded in “Other expense, net” in the Condensed Consolidated Statements of Income.

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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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e689-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669619-108580 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e640-108580 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e716-108580 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e709-108580 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e637-108580 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e681-108580 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Reclassification Adjustments -URI http://asc.fasb.org/extlink&oid=6522872 + Details
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