Summary of Significant Accounting Policies - Schedule of Other Income, Net (Details) - USD ($) $ in Thousands	12 Months Ended
Apr. 25, 2020	Apr. 27, 2019	Apr. 28, 2018
Accounting Policies [Abstract]
Gain on investment	$ 34,334	$ 4,477	$ 0
Loss on interest rate swap agreements	(18,712)	(2,903)	0
Other	7,877	6,604	6,117
Other income, net	$ 23,499	$ 8,178	$ 6,117

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Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.

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Amount of realized and unrealized gain (loss) on investment.

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Amount of income related to nonoperating activities, classified as other.

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