XML 13 R54.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Business Segments and Geographic Information - Revenues by Geography (Detail) | 3 Months Ended
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Dec. 27, 2014 | Dec. 28, 2013
Schedule Of Geographical Segments [Line Items] |  |
Revenues | 100.00%holx_PercentageOfRevenues | 100.00%holx_PercentageOfRevenues
United States |  |
Schedule Of Geographical Segments [Line Items] |  |
Revenues | 74.00%holx_PercentageOfRevenues / us-gaap_StatementGeographicalAxis = country_US | 75.00%holx_PercentageOfRevenues / us-gaap_StatementGeographicalAxis = country_US
Europe |  |
Schedule Of Geographical Segments [Line Items] |  |
Revenues | 13.00%holx_PercentageOfRevenues / us-gaap_StatementGeographicalAxis = us-gaap_EuropeMember | 14.00%holx_PercentageOfRevenues / us-gaap_StatementGeographicalAxis = us-gaap_EuropeMember
Asia-Pacific |  |
Schedule Of Geographical Segments [Line Items] |  |
Revenues | 9.00%holx_PercentageOfRevenues / us-gaap_StatementGeographicalAxis = us-gaap_AsiaPacificMember | 7.00%holx_PercentageOfRevenues / us-gaap_StatementGeographicalAxis = us-gaap_AsiaPacificMember
All others |  |
Schedule Of Geographical Segments [Line Items] |  |
Revenues | 4.00%holx_PercentageOfRevenues / us-gaap_StatementGeographicalAxis = holx_AllOtherCountriesMember | 4.00%holx_PercentageOfRevenues / us-gaap_StatementGeographicalAxis = holx_AllOtherCountriesMember

X
- Definition Percentage of revenues. + References No definition available. + Details
Name: | holx_PercentageOfRevenues
Namespace Prefix: | holx_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | holx_ScheduleOfGeographicalSegmentsLineItems
Namespace Prefix: | holx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementGeographicalAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=holx_AllOtherCountriesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=us-gaap_AsiaPacificMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=us-gaap_EuropeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |