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Fair Value Measurement - Additional Information (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2012 | Dec. 31, 2012 Minimum | Dec. 31, 2012 Maximum | Dec. 31, 2011 Zero-Coupon Government Bonds Quoted Prices In Active Markets (Level 1) | Dec. 31, 2011 Zero-Coupon Government Bonds Significant Other Observable Inputs (Level 2)
Fair Value Measurements [Line Items] |  |  |  |  |
Net asset value per share | $ 1.00 |  |  |  |
Fair value of financial asset |  |  |  | $ 9.6 | $ 0.9
Fair value of contingent consideration liability associated with future milestone |  | 7.0 | 94.4 |  |
Contingent consideration | 51.2 |  |  |  |
Current contingent consideration | 23.7 |  |  |  |
Other liabilities | $ 27.5 |  |  |  |

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- Definition Estimated Fair Value Of Contingent Consideration In Event Company Achieves Specified Milestones + References No definition available. + Details
Name: | tfx_EstimatedFairValueOfContingentConsiderationInEventCompanyAchievesSpecifiedMilestones
Namespace Prefix: | tfx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Fair value, investments, entities that calculate net asset value per share, unobservable input, realized losses per share. + References No definition available. + Details
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Namespace Prefix: | tfx_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | tfx_FairValueMeasurementsLineItems
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Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Fair Value Measurement with Unobservable Inputs Reconciliation Contingent Liability in Acquisition + References No definition available. + Details
Name: | tfx_FairValueMeasurementWithUnobservableInputsReconciliationContingentLiabilityInAcquisition
Namespace Prefix: | tfx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Fair Value, Measurement with Unobservable Inputs Reconciliation, Contingent Liability in Acquisition, Current + References No definition available. + Details
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Namespace Prefix: | tfx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Fair Value, Measurement with Unobservable Inputs Reconciliation, Contingent Liability in Acquisition, Noncurrent + References No definition available. + Details
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Namespace Prefix: | tfx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant