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Derivative Financial Instruments (Tables) | 12 Months Ended
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Apr. 27, 2019
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Schedule of Notional Amounts of Outstanding Derivative Positions | The foreign currency exchange contracts in aggregated notional amounts in place to exchange U.S. dollars at April 27, 2019 and April 28, 2018 were as follows:
| April 27, 2019 |  | April 28, 2018
| U.S. Dollars |  | Foreign Currency |  | U.S. Dollars |  | Foreign Currency
Foreign Currency Exchange Forward Contracts: |  |  |  |  |  |  |
U.S. Dollars/Australian Dollars | 2,688 |  |  | 3,772 |  |  | 1,081 |  |  | 1,400 |
U.S. Dollars/Canadian Dollars | 625 |  |  | 821 |  |  | 2,165 |  |  | 2,819 |
U.S. Dollars/British Pounds | 3,547 |  |  | 2,680 |  |  | 5,856 |  |  | 4,368 |
U.S. Dollars/Singapore Dollars | — |  |  | — |  |  | 236 |  |  | 312 |
U.S. Dollars/Euros | — |  |  | — |  |  | (854 | ) |  | (708 | )
U.S. Dollars/Swiss Franc | 927 |  |  | 925 |  |  | 41 |  |  | 40 |
U.S. Dollars/Malaysian Ringgit | 60 |  |  | 246 |  |  | — |  |  | — |

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- Definition Tabular disclosure of the notional amounts of outstanding derivative positions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959 + Details
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