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Litigation and Other Matters - Additional Information (Detail) - USD ($) $ / shares in Units, shares in Millions |  | 3 Months Ended |  |
--- | --- | --- | --- | ---
Oct. 07, 2016 | Apr. 01, 2017 | Dec. 31, 2016 | Mar. 22, 2017 | Sep. 04, 2012
Loss Contingencies [Line Items] |  |  |  |  |
Assessed damages |  |  |  |  | $ 4,000,000
Plaintiff statutory damages offer, individual basis | $ 25 |  |  |  |
Litigation settlement amount |  | $ 8,500,000 |  |  |
Litigation settlement expense |  |  | $ 9,200,000 |  |
Cynosure [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Outstanding noncontrolling shares (in shares) |  |  |  | 1.2 |
Noncontrolling interest |  |  |  | $ 79,200,000 |
Purchase price (in dollars per share) |  |  |  | $ 66.00 |

X
- Definition Amount assessed in damages. + References No definition available. + Details
Name: | holx_AmountAssessedInDamages
Namespace Prefix: | holx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Minority Interest, Shares Outstanding + References No definition available. + Details
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Balance Type: | na
Period Type: | instant

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- Definition Plaintiff Statutory Damages + References No definition available. + Details
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Namespace Prefix: | holx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- Definition Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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- Definition This element represents the fair value of the noncontrolling interest in the acquiree at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4845-128472 + Details
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- Definition Amount of judgment or settlement awarded to (against) the entity in respect of litigation. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees. + References No definition available. + Details
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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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- Details
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Namespace Prefix: |
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