Cash Flow Information - Schedule of Other Significant Noncash Transactions (Details) - USD ($) $ in Thousands	12 Months Ended
Apr. 26, 2025	Apr. 27, 2024	Apr. 29, 2023
Supplemental Cash Flow Information [Abstract]
Purchases of property and equipment included in accounts payable	$ 2,320	$ 1,628	$ 1,057
Contributions of common stock under the ESPP	1,192	1,200	1,207
Debt issuance costs	0	0	2,875
Settlement of convertible note	$ 64,366	$ 0	$ 0

Future cash outflow to pay for purchases of fixed assets that have occurred.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482913/230-10-50-4

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482913/230-10-50-3

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482913/230-10-50-5

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration