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Acquisitions and Divestitures - Schedule of Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 28, 2020 | Feb. 18, 2020 | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | --- | --- | --- | ---
Assets |  |  |  |  |
Goodwill | $ 2,585,966 |  |  | $ 2,245,305 | $ 2,246,579
IWG High Performance Conductors, Inc. |  |  |  |  |
Assets |  |  |  |  |
Current assets |  |  | $ 10,785 |  |
Property, plant and equipment |  |  | 10,457 |  |
Intangible assets |  |  | 179,000 |  |
Goodwill |  |  | 107,127 |  |
Other assets |  |  | 270 |  |
Total assets acquired |  |  | 307,639 |  |
Less: |  |  |  |  |
Current liabilities |  |  | 1,568 |  |
Deferred tax liabilities |  |  | 43,449 |  |
Noncurrent liability for uncertain tax positions |  |  | 1,945 |  |
Other liabilities |  |  | 0 |  |
Liabilities assumed |  |  | 46,962 |  |
Net assets acquired |  |  | $ 260,677 |  |
Z-Medica, LLC |  |  |  |  |
Assets |  |  |  |  |
Current assets |  | $ 16,649 |  |  |
Property, plant and equipment |  | 4,492 |  |  |
Intangible assets |  | 332,000 |  |  |
Goodwill |  | 187,939 |  |  |
Other assets |  | 153 |  |  |
Total assets acquired |  | 541,233 |  |  |
Less: |  |  |  |  |
Current liabilities |  | 5,068 |  |  |
Deferred tax liabilities |  | 35,225 |  |  |
Noncurrent liability for uncertain tax positions |  | 0 |  |  |
Other liabilities |  | 91 |  |  |
Liabilities assumed |  | 40,384 |  |  |
Net assets acquired |  | $ 500,849 |  |  |

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