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Derivative Financial Instruments (Tables) | 9 Months Ended
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Jan. 25, 2014
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 United States Dollars at January 25, 2014 and April 27, 2013 were as follows:
| January 25, 2014 |  | April 27, 2013
| U.S. Dollars |  | Foreign Currency |  | U.S. Dollars |  | Foreign Currency
Foreign Currency Exchange Forward Contracts: |  |  |  |  |  |  |
U.S. Dollars/Australian Dollars | 3,818 |  |  | 4,127 |  |  | 2,944 |  |  | 2,873 |
U.S. Dollars/Canadian Dollars | 35 |  |  | 37 |  |  | 492 |  |  | 492 |
U.S. Dollars/British Pounds | 1,277 |  |  | 781 |  |  | 1,554 |  |  | 1,005 |
U.S. Dollars/Euros | 1,789 |  |  | 1,334 |  |  | 153 |  |  | 114 |

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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=7476318&loc=SL5579245-113959 + Details
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