XML 83 R72.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Income Taxes - Additional Information (Detail) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Apr. 01, 2017 | Mar. 26, 2016 | Apr. 01, 2017 | Mar. 26, 2016
Gross Unrecognized Tax Benefit [Line Items] |  |  |  |
Company's effective tax rate | 45.60% | 25.00% | 43.40% | 25.50%
Payments for Other Taxes | $ 1.7 |  |  |
Recognized Tax Benefit due to reversal of unrecognized tax benefit | 10.9 |  |  |
Provision for income taxes | 440.8 | $ 23.0 | $ 470.4 | $ 52.8
Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions | 104.0 |  |  |
Unrecognized Tax Benefits, Period Increase (Decrease) | 59.6 |  |  |
Unrecognized tax benefits in the next twelve months | 21.0 |  | $ 21.0 |
Non-Income Tax Loss | 28.8 |  |  |
Convertible Debt Securities [Member] |  |  |  |
Gross Unrecognized Tax Benefit [Line Items] |  |  |  |
Unrecognized Tax Benefits, Period Increase (Decrease) | 64.0 |  |  |
Settlement with Taxing Authority [Member] |  |  |  |
Gross Unrecognized Tax Benefit [Line Items] |  |  |  |
Unrecognized Tax Benefits, Period Increase (Decrease) | 6.2 |  |  |
Other Settlements [Member] |  |  |  |
Gross Unrecognized Tax Benefit [Line Items] |  |  |  |
Unrecognized Tax Benefits, Period Increase (Decrease) | $ 10.6 |  |  |

X
- Definition [Line Items] for Gross Unrecognized Tax Benefit [Table] + References No definition available. + Details
Name: | holx_GrossUnrecognizedTaxBenefitLineItems
Namespace Prefix: | holx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Non-Income Tax Loss + References No definition available. + Details
Name: | holx_NonIncomeTaxLoss
Namespace Prefix: | holx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Recognized Tax Benefit due to reversal of unrecognized tax benefit + References No definition available. + Details
Name: | holx_RecognizedTaxBenefitduetoreversalofunrecognizedtaxbenefit
Namespace Prefix: | holx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Unrecognized tax benefits in the next twelve months + References No definition available. + Details
Name: | holx_Unrecognizedtaxbenefitsinthenexttwelvemonths
Namespace Prefix: | holx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32698-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(2)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32687-109319 + Details
Name: | us-gaap_EffectiveIncomeTaxRateContinuingOperations
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32639-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Income Tax Expense (or Benefit) -URI http://asc.fasb.org/extlink&oid=6515339 + Details
Name: | us-gaap_IncomeTaxExpenseBenefit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of cash outflow for taxes classified as other. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3536-108585 + Details
Name: | us-gaap_PaymentsForOtherTaxes
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=65882285&loc=SL6600010-109319 + Details
Name: | us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of increase (decrease) in unrecognized tax benefits attributable to uncertain tax positions taken in tax returns. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=65882285&loc=SL6600010-109319 + Details
Name: | us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | holx_GrossUnrecognizedTaxBenefitAxis=us-gaap_ConvertibleDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | holx_GrossUnrecognizedTaxBenefitAxis=us-gaap_SettlementWithTaxingAuthorityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | holx_GrossUnrecognizedTaxBenefitAxis=holx_OtherSettlementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |