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Consolidated Statements of Cash Flows (Parenthetical) - USD ($) $ in Millions | Sep. 30, 2023 | Sep. 28, 2023
--- | --- | ---
Disposed of by Sale | SSI Ultrasound Imaging Business |  |
Disposal Group, Including Discontinued Operation, Cash | $ 33.2 | $ 33.2

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- Definition Amount of currency on hand, demand deposits with banks or financial institutions, and other kinds of accounts that have the general characteristics of demand deposits, held by a disposal group. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Details
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Namespace Prefix: |
Data Type: | na
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- Details
Name: | us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=holx_SSIUltrasoundImagingBusinessMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |