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Business Combinations	12 Months Ended
Business Combinations	Apr. 28, 2018
Business Combinations [Abstract]
Business Combinations	Note 4. Business Combinations ADFLOW Acquisition We acquired 100 percent ownership in ADFLOW Networks, Inc. ("ADFLOW"), a Canadian company, on March 15, 2016 for an undisclosed amount. The results of its operations and its assets and liabilities have been included in our consolidated financial statements since the date of acquisition. We have not made pro forma disclosures because the results of its operations are not material to our consolidated financial statements. The purchase price included deferred payments of $1,833 to be made over three years unless certain conditions in the business are not met. We have included the payment obligation in other long-term obligations in our consolidated balance sheets. The fair value of such contingent consideration is estimated as of the acquisition date, and subsequently at the end of each reporting period, using forecasted cash flows. Projecting future cash flows requires us to make significant estimates and assumptions regarding future events, conditions, or revenues being achieved under the subject contingent agreement as well as the appropriate discount rate. Such valuation techniques include one or more significant inputs that are not observable. See "Note 16. Fair Value Measurement" for more information.