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BUSINESS COMBINATIONS - SUMMARY OF INTANGIBLE ASSETS (Details) - USD ($) $ in Millions |  | 3 Months Ended |  |
--- | --- | --- | --- | ---
May 01, 2018 | Jun. 30, 2018 | Dec. 31, 2019 | Dec. 31, 2018
Acquired Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Identifiable intangible assets, net |  |  | $ 2,176.3 | $ 2,420.3
OraMetrix, Inc. |  |  |  |
Acquired Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Identifiable intangible assets, net | $ 96.5 |  |  |
OraMetrix, Inc. | Customer relationships |  |  |  |
Acquired Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Intangible assets acquired, amount | $ 18.3 |  |  |
Weighted average useful life (in years) | 15 years |  |  |
OraMetrix, Inc. | Developed technology and patents |  |  |  |
Acquired Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Intangible assets acquired, amount | $ 64.7 |  |  |
Weighted average useful life (in years) | 15 years |  |  |
OraMetrix, Inc. | Tradenames and trademarks |  |  |  |
Acquired Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Intangible assets acquired, amount | $ 13.5 |  |  |
RTD |  |  |  |
Acquired Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Identifiable intangible assets, net |  | $ 49.0 |  |
RTD | Customer relationships |  |  |  |
Acquired Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Intangible assets acquired, amount |  | $ 18.1 |  |
Weighted average useful life (in years) |  | 15 years |  |
RTD | Developed technology and patents |  |  |  |
Acquired Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Intangible assets acquired, amount |  | $ 22.4 |  |
Weighted average useful life (in years) |  | 15 years |  |
RTD | Tradenames and trademarks |  |  |  |
Acquired Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Intangible assets acquired, amount |  | $ 8.5 |  |

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