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Goodwill and other intangible assets, net Changes in carrying amount of goodwill, by reporting segment (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 29, 2015	Dec. 31, 2014
Goodwill [Roll Forward]
Goodwill	$ 1,625,634us-gaap_GoodwillGross	$ 1,655,681us-gaap_GoodwillGross
Accumulated impairment losses	(332,128)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss	(332,128)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss
Goodwill	1,293,506us-gaap_Goodwill	1,323,553us-gaap_Goodwill
Goodwill related to acquisitions	2,801us-gaap_GoodwillAcquiredDuringPeriod
Translation adjustment	(32,848)us-gaap_GoodwillTranslationAdjustments
Vascular North America
Goodwill [Roll Forward]
Goodwill	459,696us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = tfx_VascularNorthAmericaMember	459,696us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = tfx_VascularNorthAmericaMember
Accumulated impairment losses	(219,527)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = tfx_VascularNorthAmericaMember	(219,527)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = tfx_VascularNorthAmericaMember
Goodwill	240,169us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = tfx_VascularNorthAmericaMember	240,169us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = tfx_VascularNorthAmericaMember
Goodwill related to acquisitions	0us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = tfx_VascularNorthAmericaMember
Translation adjustment	0us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = tfx_VascularNorthAmericaMember
Anesthesia Respiratory North America
Goodwill [Roll Forward]
Goodwill	165,998us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = tfx_AnesthesiaRespiratoryNorthAmericaMember	166,514us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = tfx_AnesthesiaRespiratoryNorthAmericaMember
Accumulated impairment losses	(107,073)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = tfx_AnesthesiaRespiratoryNorthAmericaMember	(107,073)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = tfx_AnesthesiaRespiratoryNorthAmericaMember
Goodwill	58,925us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = tfx_AnesthesiaRespiratoryNorthAmericaMember	59,441us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = tfx_AnesthesiaRespiratoryNorthAmericaMember
Goodwill related to acquisitions	0us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = tfx_AnesthesiaRespiratoryNorthAmericaMember
Translation adjustment	(516)us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = tfx_AnesthesiaRespiratoryNorthAmericaMember
Surgical North America
Goodwill [Roll Forward]
Goodwill	250,912us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = tfx_SurgicalNorthAmericaMember	250,912us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = tfx_SurgicalNorthAmericaMember
Accumulated impairment losses	0us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = tfx_SurgicalNorthAmericaMember	0us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = tfx_SurgicalNorthAmericaMember
Goodwill	250,912us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = tfx_SurgicalNorthAmericaMember	250,912us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = tfx_SurgicalNorthAmericaMember
Goodwill related to acquisitions	0us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = tfx_SurgicalNorthAmericaMember
Translation adjustment	0us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = tfx_SurgicalNorthAmericaMember
EMEA
Goodwill [Roll Forward]
Goodwill	310,488us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = us-gaap_EMEAMember	339,029us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = us-gaap_EMEAMember
Accumulated impairment losses	0us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = us-gaap_EMEAMember	0us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = us-gaap_EMEAMember
Goodwill	310,488us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = us-gaap_EMEAMember	339,029us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = us-gaap_EMEAMember
Goodwill related to acquisitions	0us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = us-gaap_EMEAMember
Translation adjustment	(28,541)us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = us-gaap_EMEAMember
Asia
Goodwill [Roll Forward]
Goodwill	143,885us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AsiaMember	144,712us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AsiaMember
Accumulated impairment losses	0us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AsiaMember	0us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AsiaMember
Goodwill	143,885us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AsiaMember	144,712us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AsiaMember
Goodwill related to acquisitions	2,801us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AsiaMember
Translation adjustment	(3,628)us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AsiaMember
All Other
Goodwill [Roll Forward]
Goodwill	294,655us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember	294,818us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember
Accumulated impairment losses	(5,528)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember	(5,528)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember
Goodwill	289,127us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember	289,290us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember
Goodwill related to acquisitions	0us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember
Translation adjustment	$ (163)us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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