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Business Segments and Geographic Information - Revenues by Geography (Details) | 12 Months Ended
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Sep. 28, 2024 | Sep. 30, 2023 | Sep. 24, 2022
Schedule Of Geographical Segments [Line Items] |  |  |
Revenues | 100.00% | 100.00% | 100.00%
United States |  |  |
Schedule Of Geographical Segments [Line Items] |  |  |
Revenues | 75.00% | 75.90% | 71.30%
Europe |  |  |
Schedule Of Geographical Segments [Line Items] |  |  |
Revenues | 13.20% | 12.90% | 18.30%
Asia-Pacific |  |  |
Schedule Of Geographical Segments [Line Items] |  |  |
Revenues | 6.50% | 6.30% | 7.40%
Rest of world |  |  |
Schedule Of Geographical Segments [Line Items] |  |  |
Revenues | 5.30% | 4.90% | 3.00%

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- Definition Percentage of revenues. + References No definition available. + Details
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Namespace Prefix: | holx_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
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- Definition Schedule Of Geographical Segments [Line Items] + References No definition available. + Details
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Namespace Prefix: | holx_
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |