Earnings Per Share - SBH (Schedule Of Weighted Average Shares) (Details) - shares shares in Millions	3 Months Ended
Dec. 30, 2018	Dec. 31, 2017
Basic
Basic, weighted average shares	53.4	32.3
Diluted
Diluted, weighted average shares	53.4	32.6
HRG [Member]
Basic
Basic, weighted average shares	200.6
Basic, share conversion at 1 to 0.1613	32.3
Diluted
Diluted, weighted average shares	202.3
Diluted, share conversion at 1 to 0.1613	32.6

Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 45
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=109260490&loc=d3e1448-109256

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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