XML 42 R30.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Derivative Financial Instruments (Tables) | 9 Months Ended
--- | ---
Jan. 27, 2018
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 January 27, 2018 and April 29, 2017 were as follows:
| January 27, 2018 |  | April 29, 2017
| U.S. Dollars |  | Foreign Currency |  | U.S. Dollars |  | Foreign Currency
Foreign Currency Exchange Forward Contracts: |  |  |  |  |  |  |
U.S. Dollars/Australian Dollars | 2,615 |  |  | 3,408 |  |  | 7,984 |  |  | 10,669 |
U.S. Dollars/Canadian Dollars | 1,424 |  |  | 1,864 |  |  | 256 |  |  | 345 |
U.S. Dollars/British Pounds | 6,402 |  |  | 4,778 |  |  | 4,936 |  |  | 3,959 |
U.S. Dollars/Singapore Dollars | 237 |  |  | 312 |  |  | 605 |  |  | 844 |
U.S. Dollars/Euros | (1,277 | ) |  | (1,061 | ) |  | 528 |  |  | 491 |
U.S. Dollars/Swiss Franc | 998 |  |  | 989 |  |  | — |  |  | — |

X
- References No definition available. + Details
Name: | us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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=84234895&loc=SL5579245-113959 + Details
Name: | us-gaap_ScheduleOfNotionalAmountsOfOutstandingDerivativePositionsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration