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Derivative Financial Instruments (Tables) | 6 Months Ended
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Oct. 31, 2015
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 October 31, 2015 and May 2, 2015 were as follows:
| October 31, 2015 |  | May 2, 2015
| U.S. Dollars |  | Foreign Currency |  | U.S. Dollars |  | Foreign Currency
Foreign Currency Exchange Forward Contracts: |  |  |  |  |  |  |
U.S. Dollars/Australian Dollars | 3,124 |  |  | 4,384 |  |  | 1,487 |  |  | 1,918 |
U.S. Dollars/Japanese Yen | 139 |  |  | 16,707 |  |  | 764 |  |  | 91,282 |
U.S. Dollars/Canadian Dollars | 380 |  |  | 500 |  |  | 4,129 |  |  | 4,923 |
U.S. Dollars/British Pounds | 2,037 |  |  | 1,320 |  |  | 1,679 |  |  | 1,123 |
U.S. Dollars/Singapore Dollars | 392 |  |  | 534 |  |  | 1,176 |  |  | 1,601 |
U.S. Dollars/New Zealand Dollars | 164 |  |  | 261 |  |  | — |  |  | — |
U.S. Dollars/Euros | 544 |  |  | 482 |  |  | (229 | ) |  | (174 | )
U.S Dollars/Swiss Franc | 3,817 |  |  | 3,696 |  |  | 5,662 |  |  | 5,500 |

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- Definition Tabular disclosure of the notional amounts of outstanding derivative positions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5579245-113959 + Details
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