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Derivative Financial Instruments - Derivative Instruments Not Designated as Hedging Instruments (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
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Oct. 31, 2020 | Nov. 02, 2019 | Oct. 31, 2020 | Nov. 02, 2019
Foreign exchange currency contracts | Other income/expense |  |  |  |
Derivatives not designated as hedging instruments: |  |  |  |
Foreign exchange currency contracts | $ 506 | $ (184) | $ (3,112) | $ 624

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- Definition Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4CC -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL109998890-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959 + Details
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