Receivables Securitization Program (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jan. 23, 2021	Jan. 25, 2020	Jan. 23, 2021	Jan. 25, 2020	Apr. 25, 2020
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Proceeds from Receivables sold			$ 291,074	$ 276,092
Loss on sale of receivables	$ (926)	$ 1,468	2,075	5,013
Receivables Purchase Agreements
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Eligible receivables, maximum available under Purchase Agreement	200,000		200,000
Eligible receivables, amount utilized under Purchase Agreement	200,000		200,000
Receivables sold, fair value	$ 363,207		363,207		$ 305,020
Trade receivables sold			2,307,655	1,461,980
Proceeds from Receivables sold			$ 2,251,129	$ 1,466,705