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Derivative Financial Instruments - (Details) € in Thousands, £ in Thousands, SFr in Thousands, RM in Thousands, $ in Thousands, $ in Thousands, $ in Thousands | May 02, 2020 USD ($) | May 02, 2020 CAD ($) | May 02, 2020 AUD ($) | May 02, 2020 GBP (£) | May 02, 2020 EUR (€) | May 02, 2020 CHF (SFr) | May 02, 2020 MYR (RM) | Apr. 27, 2019 USD ($) | Apr. 27, 2019 CAD ($) | Apr. 27, 2019 AUD ($) | Apr. 27, 2019 GBP (£) | Apr. 27, 2019 EUR (€) | Apr. 27, 2019 CHF (SFr) | Apr. 27, 2019 MYR (RM)
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Recurring Basis |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign currency contract, asset | $ 261 |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign currency contract, liability | (17) |  |  |  |  |  |  | $ (4) |  |  |  |  |  |
Recurring Basis | Level 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign currency contract, asset | 261 |  |  |  |  |  |  | 91 |  |  |  |  |  |
Foreign currency contract, liability | (17) |  |  |  |  |  |  | (4) |  |  |  |  |  |
U.S. Dollars/Australian Dollars | Not Designated as Hedging Instrument [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, Notional Amount | 2,235 |  | $ 3,323 |  |  |  |  | 2,688 |  | $ 3,772 |  |  |  |
U.S. Dollars/Canadian Dollars | Not Designated as Hedging Instrument [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, Notional Amount | 452 | $ 648 |  |  |  |  |  | 625 | $ 821 |  |  |  |  |
U.S. Dollars/British Pounds | Not Designated as Hedging Instrument [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, Notional Amount | 3,160 |  |  | £ 2,424 |  |  |  | 3,547 |  |  | £ 2,680 |  |  |
U.S. Dollars/Euros | Not Designated as Hedging Instrument [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, Notional Amount | 1,881 |  |  |  | € 1,689 |  |  | 0 |  |  |  | € 0 |  |
U.S. Dollars/Swiss Franc | Not Designated as Hedging Instrument [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, Notional Amount | 0 |  |  |  |  | SFr 0 |  | 927 |  |  |  |  | SFr 925 |
U.S. Dollars/Malaysian Ringgit | Not Designated as Hedging Instrument [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, Notional Amount | $ 0 |  |  |  |  |  | RM 0 | $ 60 |  |  |  |  |  | RM 246

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