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ACQUISITION - Narrative (Details) - CAS Medical Systems, Inc. - USD ($) $ / shares in Units, $ in Millions	Apr. 18, 2019	Feb. 11, 2019
Business Acquisition [Line Items]
Consideration per share to be transferred (in dollars per share)		$ 2.45
Acquisition price, subject to certain adjustments		$ 100.0
Cash purchase price	$ 100.8
Acquisition-related costs	$ 2.0
Developed technology
Business Acquisition [Line Items]
Weighted average useful life	14 years
Customer relationships
Business Acquisition [Line Items]
Weighted average useful life	10 years

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Business Combination, Consideration To Be Transferred

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Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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-SubTopic 30
-Section 50
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Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination.

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This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

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-SubTopic 10
-Section 25
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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.

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