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Fair Value Measurement (Narrative) (Details) (USD $) | 3 Months Ended |
--- | --- | ---
Apr. 01, 2012 | Dec. 31, 2011
Fair Value Measurement [Abstract] |  |
Contingent consideration in other current liabilities | $ 8,900,000 |
Carrying amount of long-term debt | 957,360,000 | 954,809,000
Fair value of debt | $ 1,110,700,000 |
Objective net asset value of money market funds, per share | $ 1.00 |

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- Definition The net asset value which the overnight investment money market funds seek to maintain. + References No definition available. + Details
Name: | tfx_ObjectiveNetAssetValueOfMoneyMarketFunds
Namespace Prefix: | tfx_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

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- Definition Current portion of the fair value as of the acquisition date of potential payments under the contingent consideration arrangement, including cash and shares as applicable. + References No definition available. + Details
Name: | us-gaap_BusinessAcquisitionContingentConsiderationAtFairValueCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
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- Definition The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. + References No definition available. + Details
Name: | us-gaap_LongTermDebtFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Sum of the carrying values as of the balance sheet date of all long-term debt, which is debt initially having maturities due after one year from the balance sheet date or beyond the operating cycle, if longer, but excluding the portions thereof scheduled to be repaid within one year (current maturities) or the normal operating cycle, if longer, and after deducting unamortized discount or premiums, if any. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LongTermDebtNoncurrent
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant