XML 105 R90.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Commitments and Contingencies - Summary of Contingent Consideration Charges Recorded to the Consolidated Statement of Operations (Detail) (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Sep. 27, 2014 | Sep. 28, 2013 | Sep. 29, 2012
Other Contingencies And Commitments [Line Items] |  |  |
Contingent consideration – compensation expense | $ 0 | $ 80.0 | $ 81.0
Contingent consideration – fair value adjustments | 0 | 11.3 | 38.5
Contingent consideration expense |  | 91.3 | 119.5
Sentinelle Medical [Member] |  |  |
Other Contingencies And Commitments [Line Items] |  |  |
Contingent consideration – compensation expense |  |  | 0
Contingent consideration – fair value adjustments |  |  | (3.3)
Contingent consideration expense |  |  | (3.3)
Interlace Medical, Inc [Member] |  |  |
Other Contingencies And Commitments [Line Items] |  |  |
Contingent consideration – compensation expense |  | 0 | 0
Contingent consideration – fair value adjustments |  | 11.3 | 41.8
Contingent consideration expense |  | 11.3 | 41.8
TCT International Co., Ltd. [Member] |  |  |
Other Contingencies And Commitments [Line Items] |  |  |
Contingent consideration – compensation expense |  | 80.0 | 75.5
Contingent consideration – fair value adjustments |  | 0 | 0
Contingent consideration expense |  | 80.0 | 75.5
Healthcome [Member] |  |  |
Other Contingencies And Commitments [Line Items] |  |  |
Contingent consideration – compensation expense |  |  | 5.5
Contingent consideration – fair value adjustments |  |  | 0
Contingent consideration expense |  |  | $ 5.5

X
- Definition Business acquisition contingent consideration expense total. + References No definition available. + Details
Name: | holx_BusinessAcquisitionContingentConsiderationExpenseTotal
Namespace Prefix: | holx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the amount of contingent consideration expense recorded in the respective reporting period. + References No definition available. + Details
Name: | holx_ContingentConsiderationCompensationExpense
Namespace Prefix: | holx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Definition Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e7008-128479 + Details
Name: | us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration