Acquisitions Acquisitions and Strategic Agreements (Promoversity Details) (Details) - USD ($) $ in Thousands	12 Months Ended
Apr. 27, 2019	Apr. 28, 2018	Apr. 29, 2017
Payments to Acquire Businesses, Net of Cash Acquired	$ 10,000	$ 58,259	$ 186,720
Promoversity [Member]
Payments to Acquire Businesses, Net of Cash Acquired			1,417
Finite-lived Intangible Assets Acquired			$ 741
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life			5 years
Goodwill, Acquired During Period			$ 441
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets			221
Business Combination, Contingent Consideration, Liability			$ 500

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Amount of liability recognized arising from contingent consideration in a business combination.

+ References

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- Definition

Amount of assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date.

+ References

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-Publisher FASB
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Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

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-Publisher FASB
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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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