Earnings Per Share and Dividends (Narrative) (Details) - $ / shares	3 Months Ended	12 Months Ended
Sep. 29, 2018	Jun. 30, 2018	Sep. 29, 2018	Sep. 30, 2017	Oct. 01, 2016
Earnings Per Share [Abstract]
Antidilutive securities excluded from calculation of earnings per share, shares			22,332	71,806	60,904
Cash dividends paid per share	$ 0.25	$ 0.25

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://fasb.org/us-gaap/role/ref/legacyRef
-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

Name:	us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration