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BUSINESS ACQUISITIONS - ECI Narrative (Details) - USD ($) shares in Millions |  | 12 Months Ended
--- | --- | ---
Nov. 14, 2019 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Business Acquisition [Line Items] |  |  |  |
Net cash consideration |  | $ 0 | $ 0 | $ 346,852,000
Term Loan Facility |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Commitments from lender | $ 400,000,000 |  |  |
Revolving Credit Facility |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Commitments from lender | 100,000,000 |  |  |
ECI |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Proceeds from sale of real estate assets | $ 33,400,000 |  |  |
Revenue |  |  |  | 260,500,000
Net loss |  |  |  | $ 52,900,000
ECI |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Common stock to be issued (in shares) | 32.5 |  |  |
Fair value of Ribbon stock issued | $ 108,600,000 | 108,550,000 |  |
Net cash consideration | 322,500,000 | 346,852,000 |  |
Repayment of ECI outstanding debt obligations | 183,300,000 |  |  |
Payment to selling shareholders | $ 139,200,000 | $ 139,244,000 |  |
Weighted average useful life of intangible assets (in years) |  | 12 years 4 months 17 days |  |

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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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