The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.4)
-URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227

Name:	us-gaap_GeneralAndAdministrativeExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Acquisitions (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended
	Jul. 13, 2018	Dec. 30, 2018	Dec. 31, 2017
Business Acquisition [Line Items]
Upward adjustment	$ 200.0
General and administrative expenses		$ 104.0	$ 79.7
Spectrum Merger [Member]
Business Acquisition [Line Items]
General and administrative expenses			$ 2.8
SBH Common Stock [Member] \| HRG [Member]
Business Acquisition [Line Items]
Par value	$ 0.01