XML 71 R53.htm IDEA: XBRL DOCUMENT v3.5.0.2

Restructuring and Divestiture Charges - Charges Taken Related to Restructuring Actions (Detail) - USD ($) $ in Millions	3 Months Ended						12 Months Ended
	Sep. 24, 2016	Mar. 26, 2016	Dec. 26, 2015	Sep. 26, 2015	Jun. 27, 2015	Dec. 27, 2014	Sep. 24, 2016	Sep. 26, 2015	Sep. 27, 2014
Restructuring Cost and Reserve [Line Items]
Non-cash impairment charges							$ 0.0	$ 0.0	$ 38.4
Fiscal restructuring and divestiture charges	$ 2.9	$ 3.8	$ 2.3	$ 6.5	$ 11.9	$ 8.0	10.5	28.5	51.7
Fiscal 2014 Charges [Member] | Restructuring Charges [Member]
Restructuring Cost and Reserve [Line Items]
Workforce reductions									42.2
Non-cash impairment charges									3.1
Facility closure costs									0.6
Other									0.3
Fiscal restructuring charges									46.2
Divestiture net charges									5.5
Fiscal restructuring and divestiture charges									51.7
Fiscal 2015 Charges [Member] | Restructuring Charges [Member]
Restructuring Cost and Reserve [Line Items]
Workforce reductions								16.3
Facility closure costs								2.6
Fiscal restructuring charges								18.9
Divestiture net charges								9.6
Fiscal restructuring and divestiture charges								28.5
Fiscal 2016 Charges [Domain] | Restructuring Charges [Member]
Restructuring Cost and Reserve [Line Items]
Workforce reductions							10.5
Fiscal restructuring charges							10.5
Fiscal 2016 Actions [Domain] | Fiscal 2014 Charges [Member] | Restructuring Charges [Member]
Restructuring Cost and Reserve [Line Items]
Workforce reductions									0.0
Non-cash impairment charges									0.0
Facility closure costs									0.0
Other									0.0
Fiscal restructuring charges									0.0
Fiscal 2016 Actions [Domain] | Fiscal 2015 Charges [Member] | Restructuring Charges [Member]
Restructuring Cost and Reserve [Line Items]
Workforce reductions								0.0
Facility closure costs								0.0
Fiscal restructuring charges								0.0
Fiscal 2016 Actions [Domain] | Fiscal 2016 Charges [Domain] | Restructuring Charges [Member]
Restructuring Cost and Reserve [Line Items]
Workforce reductions							10.5
Fiscal restructuring charges							10.5
Fiscal 2015 Actions [Member] | Fiscal 2014 Charges [Member] | Restructuring Charges [Member]
Restructuring Cost and Reserve [Line Items]
Workforce reductions									0.0
Non-cash impairment charges									0.0
Facility closure costs									0.0
Other									0.0
Fiscal restructuring charges									0.0
Fiscal 2015 Actions [Member] | Fiscal 2015 Charges [Member] | Restructuring Charges [Member]
Restructuring Cost and Reserve [Line Items]
Workforce reductions								10.0
Facility closure costs								0.0
Fiscal restructuring charges								10.0
Fiscal 2015 Actions [Member] | Fiscal 2016 Charges [Domain] | Restructuring Charges [Member]
Restructuring Cost and Reserve [Line Items]
Workforce reductions							0.0
Fiscal restructuring charges							0.0
Fiscal 2014 Actions [Member] | Fiscal 2014 Charges [Member] | Restructuring Charges [Member]
Restructuring Cost and Reserve [Line Items]
Workforce reductions									29.5
Non-cash impairment charges									0.0
Facility closure costs									0.0
Other									0.0
Fiscal restructuring charges									29.5
Fiscal 2014 Actions [Member] | Fiscal 2015 Charges [Member] | Restructuring Charges [Member]
Restructuring Cost and Reserve [Line Items]
Workforce reductions								6.0
Facility closure costs								2.0
Fiscal restructuring charges								8.0
Fiscal 2014 Actions [Member] | Fiscal 2016 Charges [Domain] | Restructuring Charges [Member]
Restructuring Cost and Reserve [Line Items]
Workforce reductions							0.0
Fiscal restructuring charges							0.0
Consolidation of Diagnostics Operations [Member] | Fiscal 2014 Charges [Member] | Restructuring Charges [Member]
Restructuring Cost and Reserve [Line Items]
Workforce reductions									2.9
Non-cash impairment charges									0.0
Facility closure costs									0.0
Other									0.1
Fiscal restructuring charges									3.0
Consolidation of Diagnostics Operations [Member] | Fiscal 2015 Charges [Member] | Restructuring Charges [Member]
Restructuring Cost and Reserve [Line Items]
Workforce reductions								0.1
Facility closure costs								0.5
Fiscal restructuring charges								0.6
Consolidation of Diagnostics Operations [Member] | Fiscal 2016 Charges [Domain] | Restructuring Charges [Member]
Restructuring Cost and Reserve [Line Items]
Workforce reductions							0.0
Fiscal restructuring charges							0.0
Other Operating Cost Reductions [Member] | Fiscal 2014 Charges [Member] | Restructuring Charges [Member]
Restructuring Cost and Reserve [Line Items]
Workforce reductions									9.8
Non-cash impairment charges									3.1
Facility closure costs									0.6
Other									0.2
Fiscal restructuring charges									$ 13.7
Other Operating Cost Reductions [Member] | Fiscal 2015 Charges [Member] | Restructuring Charges [Member]
Restructuring Cost and Reserve [Line Items]
Workforce reductions								0.2
Facility closure costs								0.1
Fiscal restructuring charges								$ 0.3
Other Operating Cost Reductions [Member] | Fiscal 2016 Charges [Domain] | Restructuring Charges [Member]
Restructuring Cost and Reserve [Line Items]
Workforce reductions							0.0
Fiscal restructuring charges							$ 0.0

X

- Definition

Divestiture charges, net.

+ References

No definition available.

+ Details

Name:	holx_DivestitureChargesNet
Namespace Prefix:	holx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Represents charges incurred to close or restructure a facility in connection with an exit or disposal activity. Such costs include clean-up costs and lease obligations. Costs are recorded as the activities are incurred except for lease obligation charges, which are recorded upon termination of the lease obligation or at the cease use date.

+ References

No definition available.

+ Details

Name:	holx_FacilityClosureCosts
Namespace Prefix:	holx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Represents severance and related benefit charges for the termination of employees under an exit or disposal activity. Charges are recorded either as one-time termination benefits, which are recognized ratable over the required service period to receive such benefit, or under an ongoing benefit plan arrangement once the charge is probable and reasonably estimable.

+ References

No definition available.

+ Details

Name:	holx_ReductionOfWorkforceExpenses
Namespace Prefix:	holx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Total restructuring charges under exit or disposal plan.

+ References

No definition available.

+ Details

Name:	holx_RestructuringChargesUnderExitOrDisposalPlan
Namespace Prefix:	holx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=51824106&loc=d3e2420-110228

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

+ Details

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

X

- Definition

Amount of other expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses associated with a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB TOPIC 5.P.4(b))
-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB TOPIC 5.P.3)
-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 5
-Section P
-Subsection 3, 4

+ Details

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

X

- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB TOPIC 5.P.3)
-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB TOPIC 5.P.4(b))
-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 5
-Section P
-Subsection 3, 4

+ Details

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

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

X

- Details

Name:	us-gaap_RestructuringPlanAxis=holx_YearTwoThousandFourteenMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_IncomeStatementLocationAxis=us-gaap_RestructuringChargesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RestructuringPlanAxis=holx_TwoThousandFifteenMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RestructuringPlanAxis=holx_YearTwoThousandSixteenDomain
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RestructuringCostAndReserveAxis=holx_Fiscal2016ActionsDomain
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RestructuringCostAndReserveAxis=holx_RestructuringActionTwoThousandFifteenMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RestructuringCostAndReserveAxis=holx_RestructuringActionTwoThousandFourteenMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RestructuringCostAndReserveAxis=holx_ConsolidationOfDiagnosticsOperationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RestructuringCostAndReserveAxis=holx_OtherOperatingCostReductionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: