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Note 15 - Derivative Financial Instruments - Aggregated Notional Amount (Details) € in Thousands, £ in Thousands, $ in Thousands, $ in Thousands, $ in Thousands | May 01, 2021 USD ($) | May 01, 2021 AUD ($) | May 01, 2021 CAD ($) | May 01, 2021 GBP (£) | May 01, 2021 EUR (€) | May 02, 2020 USD ($) | May 02, 2020 AUD ($) | May 02, 2020 CAD ($) | May 02, 2020 GBP (£) | May 02, 2020 EUR (€)
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
U.S. Dollars/Australian Dollars [Member] |  |  |  |  |  |  |  |  |  |
Derivative, Notional Amount | $ 2,410 | $ 3,464 |  |  |  | $ 2,235 | $ 3,323 |  |  |
U.S. Dollars/Canadian Dollars [Member] |  |  |  |  |  |  |  |  |  |
Derivative, Notional Amount | 0 |  | $ 0 |  |  | 452 |  | $ 648 |  |
U.S. Dollars/British Pounds [Member] |  |  |  |  |  |  |  |  |  |
Derivative, Notional Amount | 418 |  |  | £ 300 |  | 3,160 |  |  | £ 2,424 |
U.S. Dollars/Euros [Member] |  |  |  |  |  |  |  |  |  |
Derivative, Notional Amount | $ 0 |  |  |  | € 0 | $ 1,881 |  |  |  | € 1,689

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- Definition Nominal or face amount used to calculate payment on derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959 + Details
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