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Pension and other postretirement benefits - fair values of pension plan assets (Detail) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
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Cash |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | $ 1,324
Money market funds |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 51
Equity Securities | Managed Volatility |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 79,964
Equity Securities | U.S. Small/Mid-Cap Equity |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 19,239
Equity Securities | World Equity (excluding United States) |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 32,294
Equity Securities | Common Equity Securities – Teleflex Incorporated |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 29,087
Equity Securities | Diversified Global |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 6,353
Fixed Income Investments | Long duration bond fund |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 94,623
Fixed Income Investments | High yield bond fund |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 12,420
Fixed Income Investments | Emerging Markets |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 9,184
Fixed Income Investments | Corporate, government and foreign bonds |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 2,024
Fixed Income Investments | Asset backed – home loans |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 454
Other Investments | Multi asset funds |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 11,114
Other Investments | Other |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 5
Quoted Prices in Active Markets for Identical Assets (Level 1) | Cash |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 1,324
Quoted Prices in Active Markets for Identical Assets (Level 1) | Money market funds |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 51
Quoted Prices in Active Markets for Identical Assets (Level 1) | Equity Securities | Managed Volatility |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 79,964
Quoted Prices in Active Markets for Identical Assets (Level 1) | Equity Securities | U.S. Small/Mid-Cap Equity |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 19,239
Quoted Prices in Active Markets for Identical Assets (Level 1) | Equity Securities | World Equity (excluding United States) |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 32,294
Quoted Prices in Active Markets for Identical Assets (Level 1) | Equity Securities | Common Equity Securities – Teleflex Incorporated |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 29,087
Quoted Prices in Active Markets for Identical Assets (Level 1) | Equity Securities | Diversified Global |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 6,353
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fixed Income Investments | Long duration bond fund |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 94,623
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fixed Income Investments | High yield bond fund |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 12,420
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fixed Income Investments | Emerging Markets |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 9,184
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fixed Income Investments | Corporate, government and foreign bonds |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 2,024
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fixed Income Investments | Asset backed – home loans |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Other Investments | Multi asset funds |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 6,187
Quoted Prices in Active Markets for Identical Assets (Level 1) | Other Investments | Other |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 0
Significant Observable Inputs (Level 2) | Cash |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 0
Significant Observable Inputs (Level 2) | Money market funds |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 0
Significant Observable Inputs (Level 2) | Equity Securities | Managed Volatility |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 0
Significant Observable Inputs (Level 2) | Equity Securities | U.S. Small/Mid-Cap Equity |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 0
Significant Observable Inputs (Level 2) | Equity Securities | World Equity (excluding United States) |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 0
Significant Observable Inputs (Level 2) | Equity Securities | Common Equity Securities – Teleflex Incorporated |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 0
Significant Observable Inputs (Level 2) | Equity Securities | Diversified Global |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 0
Significant Observable Inputs (Level 2) | Fixed Income Investments | Long duration bond fund |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 0
Significant Observable Inputs (Level 2) | Fixed Income Investments | High yield bond fund |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 0
Significant Observable Inputs (Level 2) | Fixed Income Investments | Emerging Markets |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 0
Significant Observable Inputs (Level 2) | Fixed Income Investments | Corporate, government and foreign bonds |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 0
Significant Observable Inputs (Level 2) | Fixed Income Investments | Asset backed – home loans |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 454
Significant Observable Inputs (Level 2) | Other Investments | Multi asset funds |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 4,927
Significant Observable Inputs (Level 2) | Other Investments | Other |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 0
Significant Unobservable Inputs (Level 3) | Cash |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 0
Significant Unobservable Inputs (Level 3) | Money market funds |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 0
Significant Unobservable Inputs (Level 3) | Equity Securities | Managed Volatility |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 0
Significant Unobservable Inputs (Level 3) | Equity Securities | U.S. Small/Mid-Cap Equity |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 0
Significant Unobservable Inputs (Level 3) | Equity Securities | World Equity (excluding United States) |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 0
Significant Unobservable Inputs (Level 3) | Equity Securities | Common Equity Securities – Teleflex Incorporated |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 0
Significant Unobservable Inputs (Level 3) | Equity Securities | Diversified Global |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 0
Significant Unobservable Inputs (Level 3) | Fixed Income Investments | Long duration bond fund |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 0
Significant Unobservable Inputs (Level 3) | Fixed Income Investments | High yield bond fund |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 0
Significant Unobservable Inputs (Level 3) | Fixed Income Investments | Emerging Markets |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 0
Significant Unobservable Inputs (Level 3) | Fixed Income Investments | Corporate, government and foreign bonds |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 0
Significant Unobservable Inputs (Level 3) | Fixed Income Investments | Asset backed – home loans |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 0
Significant Unobservable Inputs (Level 3) | Other Investments | Multi asset funds |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  |
Significant Unobservable Inputs (Level 3) | Other Investments | Other |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets |  | 5
Fair Value, Measurements, Recurring |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Total investments at fair value | $ 328,262 | 321,514
Investments measured at net asset value | 34,545 | 64,793
Fair value of plan assets | 362,807 | 386,307
Fair Value, Measurements, Recurring | Cash |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 627 |
Fair Value, Measurements, Recurring | Money market funds |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 7 |
Fair Value, Measurements, Recurring | Equity Securities | Managed Volatility |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 71,306 |
Fair Value, Measurements, Recurring | Equity Securities | U.S. Small/Mid-Cap Equity |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 15,379 |
Fair Value, Measurements, Recurring | Equity Securities | World Equity (excluding United States) |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 24,589 |
Fair Value, Measurements, Recurring | Equity Securities | Common Equity Securities – Teleflex Incorporated |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 30,216 |
Fair Value, Measurements, Recurring | Fixed Income Investments | Intermediate duration bond fund |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 26,958 | 23,378
Fair Value, Measurements, Recurring | Fixed Income Investments | Long duration bond fund |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 90,661 |
Fair Value, Measurements, Recurring | Fixed Income Investments | High yield bond fund |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 12,162 |
Fair Value, Measurements, Recurring | Fixed Income Investments | Global credit fund |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 647 |
Fair Value, Measurements, Recurring | Fixed Income Investments | Emerging Markets |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 7,923 |
Fair Value, Measurements, Recurring | Fixed Income Investments | Corporate, government and foreign bonds |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 30,418 |
Fair Value, Measurements, Recurring | Fixed Income Investments | Asset backed – home loans |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 367 |
Fair Value, Measurements, Recurring | Other Investments | Multi asset funds |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 6,905 |
Fair Value, Measurements, Recurring | Other Investments | Contract with insurance company |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 10,092 |
Fair Value, Measurements, Recurring | Other Investments | Other |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 5 |
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 314,569 | 316,128
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Cash |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 627 |
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Money market funds |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 7 |
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Equity Securities | Managed Volatility |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 71,306 |
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Equity Securities | U.S. Small/Mid-Cap Equity |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 15,379 |
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Equity Securities | World Equity (excluding United States) |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 24,589 |
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Equity Securities | Common Equity Securities – Teleflex Incorporated |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 30,216 |
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Fixed Income Investments | Intermediate duration bond fund |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 26,958 | 23,378
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Fixed Income Investments | Long duration bond fund |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 90,661 |
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Fixed Income Investments | High yield bond fund |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 12,162 |
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Fixed Income Investments | Global credit fund |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 647 |
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Fixed Income Investments | Emerging Markets |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 7,923 |
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Fixed Income Investments | Corporate, government and foreign bonds |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 30,418 |
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Fixed Income Investments | Asset backed – home loans |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 0 |
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Other Investments | Multi asset funds |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 3,676 |
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Other Investments | Contract with insurance company |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 0 |
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Other Investments | Other |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 0 |
Fair Value, Measurements, Recurring | Significant Observable Inputs (Level 2) |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 3,596 | 5,381
Fair Value, Measurements, Recurring | Significant Observable Inputs (Level 2) | Cash |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 0 |
Fair Value, Measurements, Recurring | Significant Observable Inputs (Level 2) | Money market funds |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 0 |
Fair Value, Measurements, Recurring | Significant Observable Inputs (Level 2) | Equity Securities | Managed Volatility |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 0 |
Fair Value, Measurements, Recurring | Significant Observable Inputs (Level 2) | Equity Securities | U.S. Small/Mid-Cap Equity |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 0 |
Fair Value, Measurements, Recurring | Significant Observable Inputs (Level 2) | Equity Securities | World Equity (excluding United States) |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 0 |
Fair Value, Measurements, Recurring | Significant Observable Inputs (Level 2) | Equity Securities | Common Equity Securities – Teleflex Incorporated |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 0 |
Fair Value, Measurements, Recurring | Significant Observable Inputs (Level 2) | Fixed Income Investments | Intermediate duration bond fund |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 0 | 0
Fair Value, Measurements, Recurring | Significant Observable Inputs (Level 2) | Fixed Income Investments | Long duration bond fund |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 0 |
Fair Value, Measurements, Recurring | Significant Observable Inputs (Level 2) | Fixed Income Investments | High yield bond fund |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 0 |
Fair Value, Measurements, Recurring | Significant Observable Inputs (Level 2) | Fixed Income Investments | Global credit fund |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 0 |
Fair Value, Measurements, Recurring | Significant Observable Inputs (Level 2) | Fixed Income Investments | Emerging Markets |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 0 |
Fair Value, Measurements, Recurring | Significant Observable Inputs (Level 2) | Fixed Income Investments | Corporate, government and foreign bonds |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 0 |
Fair Value, Measurements, Recurring | Significant Observable Inputs (Level 2) | Fixed Income Investments | Asset backed – home loans |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 367 |
Fair Value, Measurements, Recurring | Significant Observable Inputs (Level 2) | Other Investments | Multi asset funds |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 3,229 |
Fair Value, Measurements, Recurring | Significant Observable Inputs (Level 2) | Other Investments | Contract with insurance company |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 0 |
Fair Value, Measurements, Recurring | Significant Observable Inputs (Level 2) | Other Investments | Other |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 0 |
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 10,097 | 5
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Cash |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 0 |
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Money market funds |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 0 |
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Equity Securities | Managed Volatility |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 0 |
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Equity Securities | U.S. Small/Mid-Cap Equity |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 0 |
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Equity Securities | World Equity (excluding United States) |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 0 |
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Equity Securities | Common Equity Securities – Teleflex Incorporated |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 0 |
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Fixed Income Investments | Intermediate duration bond fund |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 0 | $ 0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Fixed Income Investments | Long duration bond fund |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 0 |
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Fixed Income Investments | High yield bond fund |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 0 |
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Fixed Income Investments | Global credit fund |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 0 |
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Fixed Income Investments | Emerging Markets |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 0 |
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Fixed Income Investments | Corporate, government and foreign bonds |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 0 |
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Fixed Income Investments | Asset backed – home loans |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 0 |
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Other Investments | Multi asset funds |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 0 |
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Other Investments | Contract with insurance company |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | 10,092 |
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Other Investments | Other |  |
Schedule Of Pension Plan Assets By Fair Value [Line Items] |  |
Fair value of plan assets | $ 5 |

X
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- Definition Defined Benefit Plan, Fair Value of Plan Assets, Excluding Net Asset Value Investments + References No definition available. + Details
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- Definition Schedule of Pension Plan Assets by Fair Value [Line Items] + References No definition available. + Details
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Namespace Prefix: | tfx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(01) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(01) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(ii) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=112275985&loc=d3e4179-114921 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 Reference 6: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(ii) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 + Details
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