| **Goodwill and other intangible assets - Summary of Changes in Carrying Amount of Goodwill (Detail) $ in Thousands** | 3 Months Ended |
|----------------------------------------------------------------------------------------------------------------------|----------------|
||
| **Goodwill [Roll Forward]**                                                                                          |           |
| Beginning balance                                                                                                    | $ 3,280,819    |
| Acquisitions                                                                                                         | 130            |
| Currency effect                                                                                                      | (38,605)       |
| Ending balance                                                                                                       | 3,242,344      |
| Industrial Precision Solutions                                                                                       |           |
| **Goodwill [Roll Forward]**                                                                                          |           |
| Beginning balance                                                                                                    | 1,207,631      |
| Acquisitions                                                                                                         | 0              |
| Currency effect                                                                                                      | (43,224)       |
| Ending balance                                                                                                       | 1,135,397      |
| Advanced Technology Solutions                                                                                        |           |
| **Goodwill [Roll Forward]**                                                                                          |           |
| Beginning balance                                                                                                    | 403,440        |
| Acquisitions                                                                                                         | 0              |
| Currency effect                                                                                                      | 6,549          |
| Ending balance                                                                                                       | 438,999        |
| Medical Fluid Systems                                                                                                |           |
| **Goodwill [Roll Forward]**                                                                                          |           |
| Beginning balance                                                                                                    | 1,669,748      |
| Acquisitions                                                                                                         | 130            |
| Currency effect                                                                                                      | (1,930)        |
| Ending balance                                                                                                       | $ 1,667,948    |

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|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.
+ References
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|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of foreign currency translation gain (loss) which increases (decreases) asset representing future economic benefit from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.
+ References
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|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.
+ References
No definition available.
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