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ACQUISITIONS - Narratives (Details) - USD ($) $ / shares in Units, $ in Millions | Apr. 18, 2019 | Feb. 11, 2019 | Dec. 01, 2017 | Jul. 03, 2015
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CAS Medical Systems, Inc. |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Consideration per share to be transferred (in dollars per share) |  | $ 2.45 |  |
Acquisition price, subject uncertain adjustments |  | $ 100.0 |  |
Cash purchase price | $ 100.2 |  |  |
Harpoon Medical |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Additional research and development expenditures to be incurred prior to product introduction |  |  | $ 41.4 |
CardiAQ |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Additional research and development expenditures to be incurred prior to product introduction |  |  |  | $ 97.7

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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=116859721&loc=d3e6613-128477 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=116859721&loc=d3e6578-128477 + Details
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