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Divestiture-related activities - schedule of operating results of operations treated as discontinued operations (Detail) (USD $) | 0 Months Ended | 3 Months Ended | 12 Months Ended
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Aug. 26, 2012 | Dec. 31, 2014 | Sep. 28, 2014 | Jun. 29, 2014 | Mar. 30, 2014 | Dec. 31, 2013 | Sep. 29, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Divestiture-Related Activities [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Retained liability income expenses on divested business |  |  |  |  |  |  |  |  |  | $ 3,400,000 tfx_RetainedLiabilityIncomeExpensesOnDivestedBusiness |  | $ (2,200,000)tfx_RetainedLiabilityIncomeExpensesOnDivestedBusiness |  | $ (2,700,000)tfx_RetainedLiabilityIncomeExpensesOnDivestedBusiness |
Proceeds from divestiture of businesses | 45,200,000 us-gaap_ProceedsFromDivestitureOfBusinesses |  |  |  |  |  |  |  |  | 5,251,000 us-gaap_ProceedsFromDivestitureOfBusinesses |  | 0 us-gaap_ProceedsFromDivestitureOfBusinesses |  | 66,660,000 us-gaap_ProceedsFromDivestitureOfBusinesses |
Loss on Disposition of Business | 39,000 us-gaap_GainLossOnSaleOfBusiness |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net revenues |  |  |  |  |  |  |  |  |  | 0 us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue |  | 0 us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue |  | 16,616,000 us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue |
Disposal Group, Including Discontinued Operation, Other Expense |  |  |  |  |  |  |  |  |  | 3,407,000 us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherExpense |  | 2,205,000 us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherExpense |  | 18,328,000 us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherExpense |
Goodwill impairment |  |  |  |  |  |  |  |  |  | 0 tfx_DisposalGroupIncludingDiscontinuedOperationGoodwillImpairmentLoss | [1] | 0 tfx_DisposalGroupIncludingDiscontinuedOperationGoodwillImpairmentLoss | [1] | 9,700,000 tfx_DisposalGroupIncludingDiscontinuedOperationGoodwillImpairmentLoss | [1]
Gain on disposition |  |  |  |  |  |  |  |  |  | 0 us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax | [2] | 0 us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax | [2] | 2,205,000 us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax | [2]
Loss from discontinued operations before income taxes |  |  |  |  |  |  |  |  |  | (3,407,000)us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax |  | (2,205,000)us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax |  | (9,207,000)us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax |
Taxes (benefit) on income (loss) from discontinued operations |  |  |  |  |  |  |  |  |  | (698,000)us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation |  | (1,770,000)us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation |  | (1,887,000)us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation |
Loss from discontinued operations |  | $ (1,188,000)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax | $ (271,000)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax | $ (1,125,000)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax | $ (125,000)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax | $ (236,000)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax | $ 1,029,000 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax | $ (766,000)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax | $ (462,000)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax | $ (2,709,000)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax |  | $ (435,000)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax |  | $ (7,320,000)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax |
[1] | During 2012, the Company recognized a non-cash goodwill impairment charge of $9.7 million to adjust the carrying value of its former orthopedic business to its estimated fair value.
[2] | The $2.2 million pre-tax gain on disposition during 2012 primarily reflects the gain recognized on the working capital adjustment related to the sale of the Company's former cargo systems and cargo container businesses.

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- Details
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- Definition Amount of gain (loss), before tax expense or benefit and not previously recognized, resulting from the sale of a business component. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e957-107759 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 + Details
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- Definition Overall income (loss) from a disposal group that is classified as a component of the entity, before income tax, reported as a separate component of income before extraordinary items. Includes the following (before income tax): income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e957-107759 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.12) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 13 -Article 7 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 05 -Paragraph 15 -Article 3 + Details
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