Receivables Securitization Program - Activity in DPP Receivable (Details) - Receivables Purchase Agreements - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Apr. 30, 2022	Apr. 30, 2022	Apr. 24, 2021	Apr. 25, 2020
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Beginning DPP receivable balance		$ 183,999	$ 117,327	$ 57,238
Non-cash additions to DPP receivable	$ 1,052,938		768,619	552,751
Cash collections on DPP receivable	(1,041,173)		(701,947)	(492,662)
Ending DPP receivable balance	$ 195,764	$ 195,764	$ 183,999	$ 117,327