SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 30, 2022	Apr. 24, 2021	Apr. 25, 2020
Allowance for doubtful accounts, deducted from accounts receivable
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Year	$ 4,011	$ 7,541	$ 2,180
Acquisitions	51	0	0
Charged/ (Credited) to Costs and Expenses	(629)	(3,319)	13,263
Charged/ (Credited) to Other Accounts	0	0	0
Deductions	(27)	(211)	(7,902)
Balance at End of Year	3,406	4,011	7,541
Allowance for deferred tax assets
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Year	3,495	2,137	2,312
Acquisitions	133	0	0
Charged/ (Credited) to Costs and Expenses	851	2,308	687
Charged/ (Credited) to Other Accounts	(962)	(950)	2
Deductions	0	0	(864)
Balance at End of Year	$ 3,517	$ 3,495	$ 2,137