Debt (Shelf Facility Agreements) (Narrative) (Details)	6 Months Ended
Feb. 26, 2022 USD ($)
Shelf Facility Agreements [Member]
Line of Credit Facility [Line Items]
Credit facility, maximum borrowing capacity	$ 250,000,000
Private Placement Debt and Shelf Facility Agreements [Member]
Line of Credit Facility [Line Items]
Maximum consolidated leverage ratio of total indebtedness to EBITDA	3.00
Maximum consolidated leverage ratio of total indebtedness to EBITDA after material acquisition	3.50
Minimum consolidated interest coverage ratio of EBITDA to total interest expense	3.00
Series Notes Due January 12, 2023 [Member] \| Shelf Facility Agreements [Member]
Line of Credit Facility [Line Items]
Outstanding balance	$ 50,000,000
Interest rate	3.04%
Series Notes Due March 5, 2024 [Member] \| Shelf Facility Agreements [Member]
Line of Credit Facility [Line Items]
Outstanding balance	$ 50,000,000
Interest rate	2.40%
Maturity date	Mar. 05, 2024

Maximum Consolidated Leverage Ratio To Indebtedness

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- Definition

Maximum Consolidated Leverage Ratio To Indebtedness after material acquisition

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- Definition

Minimum Consolidated Interest Coverage Ratio Of Ebitda To Interest Expense

+ References

No definition available.

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- Definition

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
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- Definition

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

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- Definition

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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- Definition

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.

+ References

No definition available.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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