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BUSINESS COMBINATIONS - ADDITIONAL INFORMATION (Details) - USD ($) $ in Millions |  | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
May 01, 2018 | Jun. 30, 2017 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2019
Business Acquisition [Line Items] |  |  |  |  |
Goodwill |  |  | $ 3,431.3 | $ 4,539.2 | $ 3,396.5
Unrealized holding gain, available-for-sale securities |  |  |  | 45.0 |
DIO Corporation |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Cost method investments, fair value |  |  |  | 54.4 |
Cost method investments, book value |  |  |  | $ 9.4 |
Reclassification out of Accumulated Other Comprehensive Income | DIO Corporation |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Unrealized holding gain, available-for-sale securities |  |  | $ 44.1 |  |
OraMetrix, Inc. |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Total acquisition consideration | $ 120.0 |  |  |  |
Additional consideration based on earn out | 30.0 |  |  |  |
Goodwill | $ 58.0 |  |  |  |
RTD |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Total acquisition consideration |  | $ 132.0 |  |  |
Goodwill |  |  |  |  | $ 83.9

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