Cash Flow Information - Cash Flow, Operating Capital (Details) - USD ($) $ in Thousands	12 Months Ended
Apr. 27, 2024	Apr. 29, 2023	Apr. 30, 2022
(Increase) decrease:
Account receivable	$ (7,733)	$ (10,422)	$ (33,876)
Long-term receivables	620	1,950	(440)
Inventories	10,859	(15,064)	(61,159)
Contract assets	(9,262)	(4,879)	(9,545)
Prepaid expenses and other current assets	1,086	5,267	(7,661)
Income taxes receivables	(124)	268	121
Investment in affiliates and other assets	214	(261)	(357)
Increase (decrease):
Accounts payable	(7,123)	(5,344)	33,002
Contract liabilities	(22,695)	3,468	27,398
Accrued expenses	10,891	(967)	6,354
Warranty obligations	4,312	607	1,160
Long-term warranty obligations	1,075	3,055	1,764
Income taxes payable	2,067	2,354	(379)
Long-term marketing obligations and other payables	1,678	104	(1,762)
Change in operating assets and liabilities	$ (14,135)	$ (19,864)	$ (45,380)

Represents increase (decrease) in long-term warranty obligation.

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Increase (Decrease) in Other Operating Assets, Net

+ References

No definition available.

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Increase (Decrease) in Other Operating Liabilities, Net

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- Definition

Represents increase (decrease) in short-term warranty obligation.

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No definition available.

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- Definition

The increase (decrease) during the reporting period in the aggregate amount of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (a)
-SubTopic 10
-Topic 230
-Publisher FASB
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- Definition

The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services.

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- Definition

The increase (decrease) during the period in the amount due for taxes based on the reporting entity's earnings or attributable to the entity's income earning process (business presence) within a given jurisdiction.

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The increase (decrease) during the reporting period in the aggregate amount of expenses incurred but not yet paid.

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- Definition

Amount of increase (decrease) in right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
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Amount of increase (decrease) in obligation to transfer good or service to customer for which consideration has been received or is receivable.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 912
-SubTopic 310
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The increase (decrease) during the reporting period in income taxes receivable, which represents the amount due from tax authorities for refunds of overpayments or recoveries of income taxes paid.

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The increase (decrease) during the reporting period in the aggregate value of all inventory held by the reporting entity, associated with underlying transactions that are classified as operating activities.

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The increase (decrease) during the reporting period in the amount due within one year (or one business cycle) of receivables that were originally due beyond one year (or one business cycle).

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Amount of increase (decrease) in operating assets classified as other.

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Amount of increase (decrease) in operating assets after deduction of operating liabilities classified as other.

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Amount of increase (decrease) in operating liabilities classified as other.

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Amount of increase (decrease) in prepaid expenses, and assets classified as other.

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