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Debt (Schedule Of Debt) (Details) - USD ($) | 6 Months Ended |
--- | --- | ---
Feb. 26, 2022 | Aug. 28, 2021
Debt Instrument [Line Items] |  |
Long-Term Note Payable | $ 4,750,000 | $ 4,750,000
Financing arrangements | 528,000 | 191,000
Obligations under finance leases | 1,804,000 | 2,461,000
Less: unamortized debt issuance costs | (1,631,000) | (1,853,000)
Total debt, excluding obligations under finance leases | 835,451,000 | 786,049,000
Less: current portion | (251,269,000) | (202,433,000)
Total long-term debt, excluding obligations under finance leases | 584,182,000 | 583,616,000
Financing obligations, current | 50,000,000 | 87,000
Finance Lease, Liability, Current | 1,150,000 | 1,273,000
Unamortized debt issuance costs, current | 409,000 | 427,000
Committed Bank Facility [Member] |  |
Debt Instrument [Line Items] |  |
Credit facility | 285,000,000 | 234,000,000
Uncommitted Bank Facilities [Member] |  |
Debt Instrument [Line Items] |  |
Credit facility | 200,000,000 | 201,500,000
Short-term debt | 200,000,000 | 201,500,000
Senior Notes Series A [Member] | Private Placement Debt [Member] |  |
Debt Instrument [Line Items] |  |
Principal amount | $ 75,000,000 | 75,000,000
Interest rate | 2.65% |
Maturity date | Jul. 28, 2023 |
Senior Notes Series B [Member] | Private Placement Debt [Member] |  |
Debt Instrument [Line Items] |  |
Principal amount | $ 100,000,000 | 100,000,000
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 | $ 20,000,000 | 20,000,000
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 | $ 50,000,000 | 50,000,000
Interest rate | 2.60% |
Maturity date | Mar. 05, 2027 |
Senior notes due January 12, 2023 [Member] | Private Placement Debt [Member] |  |
Debt Instrument [Line Items] |  |
Principal amount | $ 50,000,000 | 50,000,000
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 | $ 50,000,000 | $ 50,000,000
Interest rate | 2.40% |
Maturity date | Mar. 05, 2024 |

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