Customer Financing - Activity in DPP Receivables (Details) - Customer Finance Contracts - USD ($) $ in Thousands	12 Months Ended
	Apr. 24, 2021	Apr. 25, 2020	Apr. 27, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Beginning DPP receivable balance	$ 228,019	$ 121,657	$ 150,404
Non-cash additions to DPP receivable	131,959	154,644	22,293
Cash collections on DPP receivable	(132,011)	(48,282)	(51,040)
Ending DPP receivable balance	$ 227,967	$ 228,019	$ 121,657