Earnings Per Share (Narrative) (Details) - $ / shares	3 Months Ended	6 Months Ended	9 Months Ended
Jun. 30, 2018	Jul. 01, 2017	Mar. 31, 2018	Jun. 30, 2018	Jul. 01, 2017
Earnings Per Share [Abstract]
Antidilutive securities excluded from calculation of diluted earnings per share	25,570	67,597		19,780	94,273
Dividends declared per share	$ 0.00	$ 0.00	$ 0.25	$ 0.25	$ 0.00

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/presentationRef
-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