XML 75 R64.htm IDEA: XBRL DOCUMENT v3.5.0.2

Intangible Assets - Schedule of Intangible Assets (Detail) - USD ($) $ in Millions	Jun. 25, 2016	Sep. 26, 2015
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 5,325.4	$ 5,322.8
Accumulated Amortization	2,588.2	2,299.6
Developed technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	3,983.7	3,979.1
Accumulated Amortization	1,920.4	1,698.5
In-process research and development
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	3.7	3.7
Accumulated Amortization	0.0	0.0
Customer relationships and contracts
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	1,099.3	1,101.1
Accumulated Amortization	526.6	467.5
Trade names
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	236.3	236.4
Accumulated Amortization	139.1	131.5
Business licenses
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	2.4	2.5
Accumulated Amortization	$ 2.1	$ 2.1

X

- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

+ Details

Name:	us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

+ Details

Name:	us-gaap_FiniteLivedIntangibleAssetsGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- 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

Name:	us-gaap_FiniteLivedIntangibleAssetsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=holx_DevelopedTechnologyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_InProcessResearchAndDevelopmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=holx_CustomerRelationshipsContractsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_TradeNamesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=holx_BusinessLicensesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: