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Derivative Financial Instruments | 9 Months Ended
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Jan. 27, 2018
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Derivative Financial Instruments | Note 14. Derivative Financial Instruments We utilize derivative financial instruments to manage the economic impact of fluctuations in currency exchange rates on those transactions denominated in currencies other than our functional currency, which is the U.S. dollar. We enter into currency forward contracts to manage these economic risks. We account for all derivatives on the balance sheet within accounts receivable or accounts payable measured at fair value, and changes in fair values are recognized in earnings unless specific hedge accounting criteria are met for cash flow or net investment hedges. As of January 27, 2018 and April 29, 2017, we had not designated any of our derivative instruments as accounting hedges, and thus we recorded the changes in fair value in other income (expense), net. 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 |  |  | — |  |  | — |
As of January 27, 2018, there was an asset and liability of $64 and $720, respectively, and as of April 29, 2017, there was an asset and liability of $64 and $277, respectively, representing the fair value of foreign currency exchange forward contracts, which were determined using Level 2 inputs from a third-party bank.

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- References No definition available. + Details
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- Definition The entire disclosure for derivative instruments and hedging activities including, but not limited to, risk management strategies, non-hedging derivative instruments, assets, liabilities, revenue and expenses, and methodologies and assumptions used in determining the amounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -URI http://asc.fasb.org/topic&trid=2229140 + Details
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