Customer Financing - Narrative (Detail) - USD ($)	3 Months Ended
Jul. 27, 2024	Jul. 29, 2023	Apr. 27, 2024
Customer Financing [Line Items]
Maximum credit financed for equipment purchases for any one customer	$ 2,000,000
Financing contracts sold	78,881,000	$ 83,873,000
Loss on sale of receivables	3,509,000	3,424,000
Proceeds from receivables sold	86,104,000	66,678,000
Unamortized discount	1,507,000		$ 3,097,000
Cash and cash equivalents	148,079,000		114,462,000
Current receivables of finance contracts not yet sold	12,099,000		74,430,000
Finance contracts receivable sold and outstanding	$ 583,688,000
Bad debt write-offs, percentage (less than)	1.00%
Unsettled Financing Arrangements
Customer Financing [Line Items]
Cash and cash equivalents	$ 31,330,000		$ 33,813,000
Customer Finance Contracts
Customer Financing [Line Items]
Servicing asset	0
Servicing liability	0
Loss on sale of receivables	$ 6,681,000	$ (8,927,000)
MUFG
Customer Financing [Line Items]
Percentage of principal amount of financing contracts held as collateral (at least)	15.00%
Capacity under agreement	$ 525,000,000

Capacity under agreement.

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Customer Financing [Line Items]

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Financing Receivable, Maximum Amount Per Customer

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- Definition

Percentage Of Principal Amount Of Financing Contracts Held As Collateral

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Rate Of Bad Debts Written Off, Maximum

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- Definition

Amount billed to customers under long-term contracts or programs but not paid. Excludes amounts due that have been withheld because of retainage provisions in a contract.

+ References

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-Publisher FASB
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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

+ References

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- Definition

Amount of unamortized purchase premium (discount) on financing receivable. Excludes financing receivable covered under loss sharing agreement.

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- Definition

Amortized cost, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

+ References

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- Definition

Proceeds from securitizations of receivables treated as collateralized borrowings, which are classified as financing transactions.

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- Definition

Reflects, by transferred financial asset type, the amount of sales proceeds in excess of or deficient from the sum of the carrying amounts of transferred financial assets plus transaction costs, including those transactions in which the seller/transferor has continuing involvement with the financial assets that have been transferred.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Aggregate amount of servicing assets that are subsequently measured at fair value and servicing assets that are subsequently measured using the amortization method.

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Decrease in servicing assets subsequently measured at fair value resulting from conveyance of servicing rights to unrelated parties.

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Aggregate amount of servicing liabilities that are subsequently measured at fair value and servicing liabilities that are subsequently measured using the amortization method.

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