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Acquisitions and Strategic Investments - Purchase Price Allocation (Details) - USD ($) $ in Thousands | Jul. 06, 2016 | Sep. 30, 2016 | Feb. 04, 2016 | Dec. 31, 2015
--- | --- | --- | --- | ---
Assets Acquired |  |  |  |
Goodwill |  | $ 213,069 |  | $ 184,472
DFINE, Inc. |  |  |  |
Assets Acquired |  |  |  |
Trade receivables | $ 4,054 |  |  |
Other receivables | 6 |  |  |
Inventories | 8,674 |  |  |
Prepaid expenses | 630 |  |  |
Property and equipment | 1,739 |  |  |
Other long-term assets | 145 |  |  |
Goodwill | 26,029 |  |  |
Total assets acquired | 115,677 |  |  |
Liabilities Assumed |  |  |  |
Trade payables | (1,790) |  |  |
Accrued expenses | (5,705) |  |  |
Deferred income tax liabilities - current | (603) |  |  |
Deferred income tax liabilities - noncurrent | (10,829) |  |  |
Total liabilities assumed | 18,927 |  |  |
Net assets acquired, net of cash received of $1,327 | 96,750 |  |  |
Cash received | 1,327 |  |  |
HeRO®Graft |  |  |  |
Assets Acquired |  |  |  |
Inventories |  |  | $ 2,455 |
Property and equipment |  |  | 290 |
Goodwill |  |  | 2,555 |
Total assets acquired |  |  | 18,500 |
Developed technology | DFINE, Inc. |  |  |  |
Assets Acquired |  |  |  |
Intangibles | 67,600 |  |  |
Developed technology | HeRO®Graft |  |  |  |
Assets Acquired |  |  |  |
Intangibles |  |  | 12,100 |
Customer lists | DFINE, Inc. |  |  |  |
Assets Acquired |  |  |  |
Intangibles | 2,400 |  |  |
Customer lists | HeRO®Graft |  |  |  |
Assets Acquired |  |  |  |
Intangibles |  |  | 400 |
Trademarks | DFINE, Inc. |  |  |  |
Assets Acquired |  |  |  |
Intangibles | $ 4,400 |  |  |
Trademarks | HeRO®Graft |  |  |  |
Assets Acquired |  |  |  |
Intangibles |  |  | $ 700 |

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