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Aggregate Accounts Receivable, Net of Allowance for Doubtful Accounts (Parenthetical) (Detail) (Spain Italy Portugal And Greece, USD $) In Millions, unless otherwise specified | Dec. 31, 2012 | Dec. 31, 2011
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Spain Italy Portugal And Greece |  |
Unusual Risk or Uncertainty [Line Items] |  |
Accounts receivable, allowances | $ 6.3 | $ 4.9

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- Definition A provision for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible, an estimate for product returns, and an estimate for price protection. + References No definition available. + Details
Name: | tfx_AccountsReceivableAllowancesCurrent
Namespace Prefix: | tfx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
Name: | us-gaap_UnusualRiskOrUncertaintyLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration