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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
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
Balance Type:
Period Type:

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- Details

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