Debt (Schedule Of Debt) (Details) - USD ($) $ in Thousands	12 Months Ended
Sep. 03, 2022	Aug. 28, 2021
Debt Instrument [Line Items]
Long-Term Note Payable	$ 4,750	$ 4,750
Financing arrangements	88	191
Obligations under finance leases	1,180
Less: unamortized debt issuance costs	(1,426)	(1,853)
Total debt, including obligations under finance leases	793,412	783,588
Less: current portion	(324,684)	(201,160)
Total long-term debt, including obligations under finance leases	468,728	582,428
Financing obligations, current		87
Finance Lease, Liability, Current	996	1,273
Unamortized debt issuance costs, current	404	427
Committed Bank Facility [Member]
Debt Instrument [Line Items]
Credit facility	245,000	234,000
Uncommitted Bank Facilities [Member]
Debt Instrument [Line Items]
Credit facility	200,000	201,500
Short-term debt	200,000	201,500
Senior Notes Series A [Member]
Debt Instrument [Line Items]
Less: current portion	$ (75,000)
Interest rate	2.65%
Maturity date	Jul. 28, 2023
Senior Notes Series A [Member] \| Private Placement Debt [Member]
Debt Instrument [Line Items]
Principal amount	$ 75,000	75,000
Interest rate	2.65%
Maturity date	Jul. 28, 2023
Senior Notes Series B [Member] \| Private Placement Debt [Member]
Debt Instrument [Line Items]
Principal amount	$ 100,000	100,000
Interest rate	2.90%
Maturity date	Jul. 28, 2026
Senior Notes Due June 11, 2025 [Member] \| Private Placement Debt [Member]
Debt Instrument [Line Items]
Principal amount	$ 20,000	20,000
Interest rate	3.79%
Maturity date	Jun. 11, 2025
Senior notes, Due March 5, 2027 [Member] \| Private Placement Debt [Member]
Debt Instrument [Line Items]
Principal amount	$ 50,000	50,000
Interest rate	2.60%
Maturity date	Mar. 05, 2027
Senior notes due January 12, 2023 [Member]
Debt Instrument [Line Items]
Less: current portion	$ (50,000)
Interest rate	3.04%
Maturity date	Jan. 12, 2023
Senior notes due January 12, 2023 [Member] \| Private Placement Debt [Member]
Debt Instrument [Line Items]
Principal amount	$ 50,000	50,000
Interest rate	3.04%
Maturity date	Jan. 12, 2023
Series 2019A notes, due March 5, 2024 [Member] \| Private Placement Debt [Member]
Debt Instrument [Line Items]
Principal amount	$ 50,000	$ 50,000
Interest rate	2.40%
Maturity date	Mar. 05, 2024

Interest free short-term borrowings.

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Financing obligations, current

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

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Contractual interest rate for funds borrowed, under the debt agreement.

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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 when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

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

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

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Present value of lessee's discounted obligation for lease payments from finance lease.

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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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Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent. Excludes lease obligation.

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Carrying value as of the balance sheet date of notes payable (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.

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Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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