XML 52 R41.htm IDEA: XBRL DOCUMENT
v3.4.0.3

Restructuring and Divestiture Charges - Charges Taken Related to Restructuring Actions (Detail) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Mar. 26, 2016 | Mar. 28, 2015 | Mar. 26, 2016 | Mar. 28, 2015 | Sep. 26, 2015
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Fiscal restructuring and divestiture charges | $ 3.8 | $ 2.0 | $ 6.0 | $ 10.0 |
Restructuring | Two Thousand Fifteen [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
Restructuring | Year Two Thousand Sixteen [Domain] |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Workforce reductions |  |  | 6.0 |  |
Fiscal restructuring charges |  |  | 6.0 |  |
Restructuring | Fiscal 2016 Actions [Domain] | Two Thousand Fifteen [Member] |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Workforce reductions |  |  |  |  | 0.0
Facility closure costs |  |  |  |  | 0.0
Fiscal restructuring charges |  |  |  |  | 0.0
Restructuring | Fiscal 2016 Actions [Domain] | Year Two Thousand Sixteen [Domain] |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Workforce reductions |  |  | 6.0 |  |
Fiscal restructuring charges |  |  | 6.0 |  |
Restructuring | Fiscal 2015 Actions | Two Thousand Fifteen [Member] |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Workforce reductions |  |  |  |  | 10.0
Facility closure costs |  |  |  |  | 0.0
Fiscal restructuring charges |  |  |  |  | 10.0
Restructuring | Fiscal 2015 Actions | Year Two Thousand Sixteen [Domain] |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Workforce reductions |  |  | 0.0 |  |
Fiscal restructuring charges |  |  | 0.0 |  |
Restructuring | Fiscal 2014 Actions | Two Thousand Fifteen [Member] |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Workforce reductions |  |  |  |  | 6.0
Facility closure costs |  |  |  |  | 2.0
Fiscal restructuring charges |  |  |  |  | 8.0
Restructuring | Fiscal 2014 Actions | Year Two Thousand Sixteen [Domain] |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Workforce reductions |  |  | 0.0 |  |
Fiscal restructuring charges |  |  | 0.0 |  |
Restructuring | Other Operating Cost Reductions | Two Thousand Fifteen [Member] |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Workforce reductions |  |  |  |  | 0.3
Facility closure costs |  |  |  |  | 0.6
Fiscal restructuring charges |  |  |  |  | $ 0.9
Restructuring | Other Operating Cost Reductions | Year Two Thousand Sixteen [Domain] |  |  |  |  |
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 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_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_OtherOperatingCostReductionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |