Earnings Per Share and Dividends (Narrative) (Details) - $ / shares	12 Months Ended
Oct. 03, 2020	Sep. 28, 2019	Sep. 29, 2018
Earnings Per Share [Abstract]
Antidilutive securities excluded from calculation of earnings per share, shares	136,323	29,971	22,332
Dividends declared per share	$ 0.75	$ 1.00	$ 0.50
Cash dividends paid per share	$ 0.75	$ 1.00	$ 0.50

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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- Definition

Aggregate dividends paid during the period for each share of common stock outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

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Aggregate dividends declared during the period for each share of common stock outstanding.

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- References

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