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Deferred Finance Costs, Amortization Period

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Finance Lease, Interest Rate

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New Markets Tax Credit Investment

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New Markets Tax Credit, Recapture Period

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Total Net Leverage Ratio

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Face (par) amount of debt instrument at time of issuance.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Date the debt instrument was repurchased, in YYYY-MM-DD format.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

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Including the current and noncurrent portions, aggregate carrying value as of the balance sheet date of loans payable (with maturities initially due after one year or beyond the operating cycle if longer).

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Amount of long-term debt and lease obligation, classified as noncurrent.

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Amount of long-term debt and lease obligation, classified as current.

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Amount of long-term debt and lease obligation, including portion classified as current.

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Principal amount of long-term debt and capital lease obligation maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Principal amount of long-term debt and capital lease obligation maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Principal amount of long-term debt and capital lease obligation maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Principal amount of long-term debt and capital lease obligation maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Principal amount of long-term debt and capital lease obligation maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Principal amount of long-term debt and capital lease obligation maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount, after allowance for credit loss, of financing receivable, classified as noncurrent.

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Loans Payable and Long-Term Debt (Schedule Of Debt Maturities) (Details) - USD ($) $ in Thousands			12 Months Ended
	Apr. 26, 2021	Jan. 25, 2016	Apr. 30, 2022	Mar. 08, 2022	Apr. 30, 2021
Debt Instrument [Line Items]
2023			$ 2,264
2024			14,744
2025			20,066
2026			469,627
2027			269
2028 and thereafter			5,582
Debt, outstanding balance			512,552		$ 526,153
Debt issuance costs			(3,556)		(4,381)
Current maturities			(2,264)		(8,322)
Total long-term debt			506,732		513,450
Debt Instrument, Repurchase Date	Apr. 26, 2021
New Markets Tax Credit Investment		$ 2,300
New Markets Tax Credit, Recapture Period		7 years
Other Noncurrent Assets [Member]
Debt Instrument [Line Items]
Financing Receivable, after Allowance for Credit Loss, Noncurrent		$ 4,300
Long-term Debt [Member]
Debt Instrument [Line Items]
Amount drawn on loan			$ 6,700
Minimum [Member]
Debt Instrument [Line Items]
Interest rates on finance leases (percent)			2.00%
Maximum [Member]
Debt Instrument [Line Items]
Interest rates on finance leases (percent)			4.60%
Notes Payable to Banks [Member]
Debt Instrument [Line Items]
Debt issuance costs		(300)
Loan agreement amount		$ 6,600		$ 400
Loan term		30 years
LIBOR rate		1.20%
Deferred Finance Costs, Amortization Period		30 years
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Borrowed under the Credit Agreement			$ 263,000		264,000
Line of Credit Facility, Commitment Fee Percentage			0.20%
Consolidated Interest Coverage Ratio			2.00
Total Net Leverage Ratio			4.00
Revolving Credit Facility [Member] \| Base Rate
Debt Instrument [Line Items]
Spread on interest rate			1.00%
Revolving Credit Facility [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Spread on interest rate			2.00%
Letter of Credit [Member]
Debt Instrument [Line Items]
Borrowed under the Credit Agreement			$ 11,700		8,300
Term Loans [Member]
Debt Instrument [Line Items]
2023			0
2024			12,500
2025			18,750
2026			206,250
2027			0
2028 and thereafter			0
Debt, outstanding balance			237,500		250,000
Economic Development Loans [Member]
Debt Instrument [Line Items]
2023			2,264
2024			1,944
2025			630
2026			118
2027			7
2028 and thereafter			0
Debt, outstanding balance			4,963		5,494
Other Long-term Debt [Member]
Debt Instrument [Line Items]
2023			0
2024			300
2025			686
2026			259
2027			262
2028 and thereafter			5,582
Debt, outstanding balance			7,089		6,659
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
2023			0
2024			0
2025			0
2026			263,000
2027			0
2028 and thereafter			0
Debt, outstanding balance			$ 263,000		$ 264,000