BUSINESS COMBINATIONS - SUMMARY OF INTANGIBLE ASSETS (Details) - USD ($) $ in Millions	Feb. 29, 2016	Jun. 30, 2016	Dec. 31, 2015
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable intangible assets, net		$ 3,028.5	$ 600.7
Sirona Dental Systems Inc
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable intangible assets, net	$ 2,435.0
Sirona Dental Systems Inc | Trade names and trademarks
Acquired Indefinite-lived Intangible Assets [Line Items]
Intangible assets acquired, amount	905.0
Sirona Dental Systems Inc | Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible assets acquired, amount	$ 495.0
Intangible assets acquired, useful life	14 years
Sirona Dental Systems Inc | Developed technology and patents
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible assets acquired, amount	$ 1,035.0
Intangible assets acquired, useful life	12 years