General - Schedule of Other Income, Net (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Oct. 24, 2020	Oct. 26, 2019	Oct. 24, 2020	Oct. 26, 2019
Accounting Policies [Abstract]
Gain on investment	$ 0	$ 0	$ 0	$ 34,334
Gain (loss) on interest rate swap agreements	415	(1,778)	(780)	(5,563)
Other	2,808	2,047	6,037	3,415
Other income, net	$ 3,223	$ 269	$ 5,257	$ 32,186

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Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

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

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