XML 67 R56.htm IDEA: XBRL DOCUMENT
v3.19.1

Fair value measurement - Valuation technique and inputs used in determining the fair value of contingent consideration (Details) | Mar. 31, 2019
--- | ---
Milestone-based payment | Minimum | Discounted cash flow | Discount rate |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Business combination, contingent consideration, liability, measurement input | 0.041
Milestone-based payment | Maximum | Discounted cash flow | Discount rate |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Business combination, contingent consideration, liability, measurement input | 0.057
Revenue-based | Minimum | Discounted cash flow | Discount rate |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Business combination, contingent consideration, liability, measurement input | 0.100
Revenue-based | Minimum | Monte Carlo simulation | Revenue volatility |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Business combination, contingent consideration, liability, measurement input | 0.197
Revenue-based | Maximum | Discounted cash flow | Discount rate |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Business combination, contingent consideration, liability, measurement input | 0.105
Revenue-based | Maximum | Monte Carlo simulation | Revenue volatility |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Business combination, contingent consideration, liability, measurement input | 0.247

X
- Definition Value of input used to measure contingent consideration liability from business combination. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258 + Details
Name: | us-gaap_BusinessCombinationContingentConsiderationLiabilityMeasurementInput
Namespace Prefix: | us-gaap_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ContingentConsiderationByTypeAxis=tfx_MilestonebasedPaymentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationTechniqueAxis=us-gaap_ValuationTechniqueDiscountedCashFlowMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputDiscountRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ContingentConsiderationByTypeAxis=tfx_RevenuebasedPaymentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationTechniqueAxis=tfx_ValuationTechniqueMonteCarloSimulationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputPriceVolatilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |