Business acquisition goodwill not expected to be tax deductible amount.

No definition available.

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- Definition

Date when the business acquisition agreement was executed, in CCYY-MM-DD format.

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
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- Definition

The amount of goodwill arising from a business combination that is expected to be deductible for tax purposes.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479

+ Details

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 805
-SubTopic 30
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The amount of identifiable intangible assets recognized as of the acquisition date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 55
-Paragraph 37
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The number of businesses acquired by the entity during the period.

+ References

No definition available.

+ Details

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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of stores.

+ References

No definition available.

+ Details

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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
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Balance Type:	credit
Period Type:	duration

- Details

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- Details

Name:	us-gaap_BusinessAcquisitionAxis=sbh_HChalutLteeMember
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Acquisitions (Details) $ in Millions		12 Months Ended
Acquisitions (Details) $ in Millions	Sep. 28, 2020 USD ($) store	Sep. 30, 2020 USD ($)	Sep. 30, 2019 Business	Sep. 30, 2018 USD ($) store
Business Acquisition [Line Items]
Immaterial acquisition		$ 5.7
Intangible assets subject to amortization		$ 3.9
Number of businesses acquired \| Business			0
Ami-Co
Business Acquisition [Line Items]
Date of acquisition		Sep. 28, 2020
Number of beauty supply stores \| store	10
Cost of acquisition	$ 8.9
Goodwill not expected to be deducted for tax purposes	$ 5.3
Chalut
Business Acquisition [Line Items]
Number of beauty supply stores \| store				21
Cost of acquisition				$ 8.8
Intangible assets subject to amortization				4.7
Goodwill expected to be deducted for tax purposes				$ 0.7