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Commitments and Contingencies - Additional Information (Detail) $ in Millions | Sep. 04, 2012 USD ($)
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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