Financial Instruments Financial Instruments, Credit Facility (Details) - Unsecured Revolving Credit Facility [Member] $ in Millions	12 Months Ended
Jun. 24, 2017	Sep. 29, 2018 USD ($)
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity		$ 350
Debt Instrument, Covenant Requirement, Ratio of Debt to EBITDA	3
Debt Instrument, Convenant Requirement, minimum interest coverage ratio	3.5

Debt Instrument, Convenant Requirement, minimum interest coverage ratio

No definition available.

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- Definition

Debt Instrument, Covenant Requirement, Ratio of Debt to EBITDA

+ References

No definition available.

+ Details

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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.

+ 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://www.xbrl.org/2003/role/presentationRef
-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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- Details

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