SEGMENT INFORMATION - THIRD PARTY NET SALES (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Revenue, Major Customer [Line Items]
Net sales	$ 992.7	$ 1,022.0	$ 1,893.2	$ 1,794.6
Dental And Healthcare Consumables
Revenue, Major Customer [Line Items]
Net sales	554.1	543.8	1,065.3	1,032.7
Technologies
Revenue, Major Customer [Line Items]
Net sales	$ 438.6	$ 478.2	$ 827.9	$ 761.9