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Commitments and Contingencies - Additional Information (Detail) $ in Millions	Sep. 04, 2012 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Assessed damages	$ 4.0

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

X

- References

No definition available.

+ Details

Name:	us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration