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Acquisitions and Other Strategic Transactions - Purchase Price Allocation (Details) - USD ($) $ in Thousands |  |  |  |  |  |  |  | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | ---
Nov. 06, 2020 | Aug. 01, 2019 | Jun. 14, 2019 | Dec. 14, 2018 | Nov. 13, 2018 | May 23, 2018 | Feb. 14, 2018 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Assets Acquired |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  |  | $ 363,533 | $ 353,193 | $ 335,433
KA Medical |  |  |  |  |  |  |  |  |  |
Assets Acquired |  |  |  |  |  |  |  |  |  |
Trade receivables | $ 24 |  |  |  |  |  |  |  |  |
Other receivables | 13 |  |  |  |  |  |  |  |  |
Inventories | 216 |  |  |  |  |  |  |  |  |
Property and equipment | 298 |  |  |  |  |  |  |  |  |
Other long-term assets | 147 |  |  |  |  |  |  |  |  |
Goodwill | 8,283 |  |  |  |  |  |  |  |  |
Total assets acquired | 14,981 |  |  |  |  |  |  |  |  |
Liabilities Assumed |  |  |  |  |  |  |  |  |  |
Trade payables | (31) |  |  |  |  |  |  |  |  |
Accrued expenses | (507) |  |  |  |  |  |  |  |  |
Total liabilities assumed | (538) |  |  |  |  |  |  |  |  |
Total net assets acquired | 14,443 |  |  |  |  |  |  |  |  |
KA Medical | Developed technology |  |  |  |  |  |  |  |  |  |
Assets Acquired |  |  |  |  |  |  |  |  |  |
Intangible assets | $ 6,000 |  |  |  |  |  |  |  |  |
Liabilities Assumed |  |  |  |  |  |  |  |  |  |
Weighted average useful life | 17 years |  |  |  |  |  |  |  |  |
Fibrovein Holdings Limited |  |  |  |  |  |  |  |  |  |
Assets Acquired |  |  |  |  |  |  |  |  |  |
Trade receivables |  | $ 277 |  |  |  |  |  |  |  |
Inventories |  | 843 |  |  |  |  |  |  |  |
Prepaid expenses and other assets |  | 49 |  |  |  |  |  |  |  |
Goodwill |  | 4,975 |  |  |  |  |  |  |  |
Total assets acquired |  | 16,572 |  |  |  |  |  |  |  |
Liabilities Assumed |  |  |  |  |  |  |  |  |  |
Trade payables |  | (53) |  |  |  |  |  |  |  |
Accrued expenses |  | (29) |  |  |  |  |  |  |  |
Deferred income tax liabilities |  | (1,890) |  |  |  |  |  |  |  |
Total liabilities assumed |  | (1,972) |  |  |  |  |  |  |  |
Total net assets acquired |  | $ 14,600 |  |  |  |  |  |  |  |
Weighted average useful life |  | 12 years |  |  |  |  |  |  |  |
Fibrovein Holdings Limited | Developed technology |  |  |  |  |  |  |  |  |  |
Assets Acquired |  |  |  |  |  |  |  |  |  |
Intangible assets |  | $ 10,428 |  |  |  |  |  |  |  |
Liabilities Assumed |  |  |  |  |  |  |  |  |  |
Weighted average useful life |  | 12 years |  |  |  |  |  |  |  |
Brightwater |  |  |  |  |  |  |  |  |  |
Assets Acquired |  |  |  |  |  |  |  |  |  |
Trade receivables |  |  | $ 55 |  |  |  |  |  |  |
Inventories |  |  | 349 |  |  |  |  |  |  |
Property and equipment |  |  | 409 |  |  |  |  |  |  |
Other long-term assets |  |  | 30 |  |  |  |  |  |  |
Goodwill |  |  | 17,607 |  |  |  |  |  |  |
Total assets acquired |  |  | 50,743 |  |  |  |  |  |  |
Liabilities Assumed |  |  |  |  |  |  |  |  |  |
Trade payables |  |  | (58) |  |  |  |  |  |  |
Accrued expenses |  |  | (261) |  |  |  |  |  |  |
Other long-term liabilities |  |  | (1,522) |  |  |  |  |  |  |
Deferred income tax liabilities |  |  | (4,263) |  |  |  |  |  |  |
Total liabilities assumed |  |  | (6,104) |  |  |  |  |  |  |
Total net assets acquired |  |  | $ 44,639 |  |  |  |  |  |  |
Weighted average useful life |  |  | 12 years 10 months 24 days |  |  |  |  |  |  |
Brightwater | Developed technology |  |  |  |  |  |  |  |  |  |
Assets Acquired |  |  |  |  |  |  |  |  |  |
Intangible assets |  |  | $ 31,960 |  |  |  |  |  |  |
Liabilities Assumed |  |  |  |  |  |  |  |  |  |
Weighted average useful life |  |  | 13 years |  |  |  |  |  |  |
Brightwater | Customer Lists |  |  |  |  |  |  |  |  |  |
Assets Acquired |  |  |  |  |  |  |  |  |  |
Intangible assets |  |  | $ 83 |  |  |  |  |  |  |
Liabilities Assumed |  |  |  |  |  |  |  |  |  |
Weighted average useful life |  |  | 1 year |  |  |  |  |  |  |
Brightwater | Trademarks |  |  |  |  |  |  |  |  |  |
Assets Acquired |  |  |  |  |  |  |  |  |  |
Intangible assets |  |  | $ 250 |  |  |  |  |  |  |
Liabilities Assumed |  |  |  |  |  |  |  |  |  |
Weighted average useful life |  |  | 5 years |  |  |  |  |  |  |
Vascular Insights |  |  |  |  |  |  |  |  |  |
Assets Acquired |  |  |  |  |  |  |  |  |  |
Inventories |  |  |  | $ 1,353 |  |  |  |  |  |
Goodwill |  |  |  | 21,832 |  |  |  |  |  |
Total assets acquired |  |  |  | 58,185 |  |  |  |  |  |
Liabilities Assumed |  |  |  |  |  |  |  |  |  |
Total net assets acquired |  |  |  | $ 58,185 |  |  |  |  |  |
Weighted average useful life |  |  |  | 11 years 9 months 18 days |  |  |  |  |  |
Net sales related to acquisition |  |  |  |  |  |  |  | 5,500 | 7,500 |
Vascular Insights | Developed technology |  |  |  |  |  |  |  |  |  |
Assets Acquired |  |  |  |  |  |  |  |  |  |
Intangible assets |  |  |  | $ 32,750 |  |  |  |  |  |
Liabilities Assumed |  |  |  |  |  |  |  |  |  |
Weighted average useful life |  |  |  | 12 years |  |  |  |  |  |
Vascular Insights | Customer Lists |  |  |  |  |  |  |  |  |  |
Assets Acquired |  |  |  |  |  |  |  |  |  |
Intangible assets |  |  |  | $ 840 |  |  |  |  |  |
Liabilities Assumed |  |  |  |  |  |  |  |  |  |
Weighted average useful life |  |  |  | 8 years |  |  |  |  |  |
Vascular Insights | Trademarks |  |  |  |  |  |  |  |  |  |
Assets Acquired |  |  |  |  |  |  |  |  |  |
Intangible assets |  |  |  | $ 1,410 |  |  |  |  |  |
Liabilities Assumed |  |  |  |  |  |  |  |  |  |
Weighted average useful life |  |  |  | 9 years |  |  |  |  |  |
Cianna Medical |  |  |  |  |  |  |  |  |  |
Assets Acquired |  |  |  |  |  |  |  |  |  |
Trade receivables |  |  |  |  | $ 6,151 |  |  |  |  |
Inventories |  |  |  |  | 5,803 |  |  |  |  |
Prepaid expenses and other assets |  |  |  |  | 315 |  |  |  |  |
Property and equipment |  |  |  |  | 1,047 |  |  |  |  |
Other long-term assets |  |  |  |  | 14 |  |  |  |  |
Goodwill |  |  |  |  | 61,379 |  |  |  |  |
Total assets acquired |  |  |  |  | 219,629 |  |  |  |  |
Liabilities Assumed |  |  |  |  |  |  |  |  |  |
Trade payables |  |  |  |  | (1,497) |  |  |  |  |
Accrued expenses |  |  |  |  | (2,384) |  |  |  |  |
Other long-term liabilities |  |  |  |  | (1,527) |  |  |  |  |
Deferred income tax liabilities |  |  |  |  | (25,940) |  |  |  |  |
Total liabilities assumed |  |  |  |  | (31,348) |  |  |  |  |
Total net assets acquired |  |  |  |  | $ 188,281 |  |  |  |  |
Weighted average useful life |  |  |  |  | 10 years 8 months 12 days |  |  |  |  |
Net sales related to acquisition |  |  |  |  |  |  |  | 45,300 | 49,500 | 6,300
Cianna Medical | Developed technology |  |  |  |  |  |  |  |  |  |
Assets Acquired |  |  |  |  |  |  |  |  |  |
Intangible assets |  |  |  |  | $ 134,510 |  |  |  |  |
Liabilities Assumed |  |  |  |  |  |  |  |  |  |
Weighted average useful life |  |  |  |  | 11 years |  |  |  |  |
Cianna Medical | Customer Lists |  |  |  |  |  |  |  |  |  |
Assets Acquired |  |  |  |  |  |  |  |  |  |
Intangible assets |  |  |  |  | $ 3,330 |  |  |  |  |
Liabilities Assumed |  |  |  |  |  |  |  |  |  |
Weighted average useful life |  |  |  |  | 8 years |  |  |  |  |
Cianna Medical | Trademarks |  |  |  |  |  |  |  |  |  |
Assets Acquired |  |  |  |  |  |  |  |  |  |
Intangible assets |  |  |  |  | $ 7,080 |  |  |  |  |
Liabilities Assumed |  |  |  |  |  |  |  |  |  |
Weighted average useful life |  |  |  |  | 10 years |  |  |  |  |
DirectACCESS Medical, LLC |  |  |  |  |  |  |  |  |  |
Assets Acquired |  |  |  |  |  |  |  |  |  |
Inventories |  |  |  |  |  | $ 971 |  |  |  |
Goodwill |  |  |  |  |  | 938 |  |  |  |
Total assets acquired |  |  |  |  |  | 7,269 |  |  |  |
Liabilities Assumed |  |  |  |  |  |  |  |  |  |
Total net assets acquired |  |  |  |  |  | $ 7,269 |  |  |  |
Weighted average useful life |  |  |  |  |  | 9 years 10 months 24 days |  |  |  |
DirectACCESS Medical, LLC | Developed technology |  |  |  |  |  |  |  |  |  |
Assets Acquired |  |  |  |  |  |  |  |  |  |
Intangible assets |  |  |  |  |  | $ 4,840 |  |  |  |
Liabilities Assumed |  |  |  |  |  |  |  |  |  |
Weighted average useful life |  |  |  |  |  | 10 years |  |  |  |
DirectACCESS Medical, LLC | Customer Lists |  |  |  |  |  |  |  |  |  |
Assets Acquired |  |  |  |  |  |  |  |  |  |
Intangible assets |  |  |  |  |  | $ 120 |  |  |  |
Liabilities Assumed |  |  |  |  |  |  |  |  |  |
Weighted average useful life |  |  |  |  |  | 5 years |  |  |  |
DirectACCESS Medical, LLC | Trademarks |  |  |  |  |  |  |  |  |  |
Assets Acquired |  |  |  |  |  |  |  |  |  |
Intangible assets |  |  |  |  |  | $ 400 |  |  |  |
Liabilities Assumed |  |  |  |  |  |  |  |  |  |
Weighted average useful life |  |  |  |  |  | 10 years |  |  |  |
Becton, Dickinson and Company |  |  |  |  |  |  |  |  |  |
Assets Acquired |  |  |  |  |  |  |  |  |  |
Inventories |  |  |  |  |  |  | $ 5,804 |  |  |
Property and equipment |  |  |  |  |  |  | 748 |  |  |
Goodwill |  |  |  |  |  |  | 9,728 |  |  |
Total assets acquired |  |  |  |  |  |  | 101,880 |  |  |
Liabilities Assumed |  |  |  |  |  |  |  |  |  |
Total net assets acquired |  |  |  |  |  |  | $ 101,880 |  |  |
Weighted average useful life |  |  |  |  |  |  | 8 years |  |  |
Net sales related to acquisition |  |  |  |  |  |  |  | $ 42,600 | $ 46,800 | $ 42,100
Becton, Dickinson and Company | Developed technology |  |  |  |  |  |  |  |  |  |
Assets Acquired |  |  |  |  |  |  |  |  |  |
Intangible assets |  |  |  |  |  |  | $ 74,000 |  |  |
Liabilities Assumed |  |  |  |  |  |  |  |  |  |
Weighted average useful life |  |  |  |  |  |  | 8 years |  |  |
Becton, Dickinson and Company | Customer Lists |  |  |  |  |  |  |  |  |  |
Assets Acquired |  |  |  |  |  |  |  |  |  |
Intangible assets |  |  |  |  |  |  | $ 4,200 |  |  |
Liabilities Assumed |  |  |  |  |  |  |  |  |  |
Weighted average useful life |  |  |  |  |  |  | 7 years |  |  |
Becton, Dickinson and Company | Trademarks |  |  |  |  |  |  |  |  |  |
Assets Acquired |  |  |  |  |  |  |  |  |  |
Intangible assets |  |  |  |  |  |  | $ 4,900 |  |  |
Liabilities Assumed |  |  |  |  |  |  |  |  |  |
Weighted average useful life |  |  |  |  |  |  | 9 years |  |  |
Becton, Dickinson and Company | In-process technology |  |  |  |  |  |  |  |  |  |
Assets Acquired |  |  |  |  |  |  |  |  |  |
Intangible assets |  |  |  |  |  |  | $ 2,500 |  |  |

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