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Debt And Capital Lease Obligations (Schedule Of Debt) (Details) - USD ($) | Sep. 01, 2018 | Sep. 02, 2017
--- | --- | ---
Debt Instrument [Line Items] |  |  |
Capital lease and financing obligations |  | $ 27,926,000 | $ 27,829,000
Less: unamortized debt issuance costs |  | (1,593,000) | (1,852,000)
Total debt |  | 535,333,000 | 532,977,000
Less: short-term debt | [1] | (224,097,000) | (331,986,000)
Long-term debt |  | 311,236,000 | 200,991,000
New Credit Facility [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Credit Facility |  | 224,000,000 | 332,000,000
Shelf Facility Agreement [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal amount |  | 90,000,000 |
Senior Notes Series A [Member] | Private Placement Debt [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal amount |  | 75,000,000 | 75,000,000
Senior Notes Series B [Member] | Private Placement Debt [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal amount |  | 100,000,000 | $ 100,000,000
Senior Notes Due June 11, 2025 [Member] | Private Placement Debt [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal amount |  | $ 20,000,000 |
[1] | Net of unamortized debt issuance costs expected to be amortized in the next 12 months.

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- Definition Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84164817&loc=d3e45280-112737 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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- Definition Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19,20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28555-108399 + Details
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