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Restructuring and Divestiture Charges - Charges Taken Related to Accrued Restructuring Actions (Detail) - Restructuring $ in Millions | 3 Months Ended
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Dec. 31, 2016 USD ($)
Two Thousand Sixteen [Member] |
Restructuring Reserve [Roll Forward] |
Period beginning balance | $ 6.3
Period end balance |
Two Thousand Sixteen [Member] | Restructuring Action Two Thousand Sixteen [Domain] |
Restructuring Reserve [Roll Forward] |
Period beginning balance | 5.5
Period end balance |
Two Thousand Sixteen [Member] | Fiscal 2015 Actions |
Restructuring Reserve [Roll Forward] |
Period beginning balance | 0.2
Period end balance |
Two Thousand Sixteen [Member] | Fiscal 2014 Actions |
Restructuring Reserve [Roll Forward] |
Period beginning balance | 0.6
Period end balance |
Two Thousand Seventeen [Member] |
Restructuring Cost and Reserve [Line Items] |
Restructuring Charges Under Exit Or Disposal Plan | 3.2
Facility Closure Costs | 3.5
Restructuring Reserve [Roll Forward] |
Severance payments and adjustments | (3.9)
Other payments | (0.5)
Period end balance | 5.4
Two Thousand Seventeen [Member] | Restructuring Action Two Thousand Sixteen [Domain] |
Restructuring Cost and Reserve [Line Items] |
Restructuring Charges Under Exit Or Disposal Plan | 3.2
Facility Closure Costs | 3.5
Restructuring Reserve [Roll Forward] |
Severance payments and adjustments | (3.8)
Other payments | (0.4)
Period end balance | 4.8
Two Thousand Seventeen [Member] | Fiscal 2015 Actions |
Restructuring Cost and Reserve [Line Items] |
Facility Closure Costs | 0.0
Restructuring Reserve [Roll Forward] |
Severance payments and adjustments | (0.1)
Other payments | 0.0
Period end balance | 0.1
Two Thousand Seventeen [Member] | Fiscal 2014 Actions |
Restructuring Cost and Reserve [Line Items] |
Facility Closure Costs | 0.0
Restructuring Reserve [Roll Forward] |
Severance payments and adjustments | 0.0
Other payments | (0.1)
Period end balance | $ 0.5

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- Definition Severance payments. + References No definition available. + Details
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Balance Type: | debit
Period Type: | duration

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- 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
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Payments to settle other restructuring charges. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Total restructuring charges under exit or disposal plan. + References No definition available. + Details
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Namespace Prefix: | holx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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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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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: 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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Details
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- Details
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- Details
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- Details
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