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Debt And Capital Lease Obligations (Shelf Facility Agreements) (Narrative) (Details) | 12 Months Ended
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Sep. 01, 2018 USD ($)
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
Met Life Note Purchase Agreement [Member] |
Line of Credit Facility [Line Items] |
Credit facility, maximum borrowing capacity | $ 250,000,000
Remaining borrowing capacity | 210,000,000
Met Life Note Purchase Agreement [Member] | Series 2018A Notes [Member] |
Line of Credit Facility [Line Items] |
Principal amount | $ 20,000,000
Interest rate | 3.22%
Met Life Note Purchase Agreement [Member] | Series 2018B Notes [Member] |
Line of Credit Facility [Line Items] |
Principal amount | $ 20,000,000
Interest rate | 3.42%
Prudential Note Purchase Agreement [Member] |
Line of Credit Facility [Line Items] |
Credit facility, maximum borrowing capacity | $ 250,000,000
Principal amount | $ 50,000,000
Interest rate | 3.04%
Remaining borrowing capacity | $ 200,000,000

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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + 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(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition 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. + 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(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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