RESTRUCTURING AND OTHER COSTS - PROVISIONS AND ADJUSTMENTS AND AMOUNTS APPLIED FOR ALL PLANS BY SEGMENT (Details) $ in Millions	3 Months Ended
	Mar. 31, 2018 USD ($)
Restructuring Reserve [Roll Forward]
Beginning Balance	$ 60.1
Provisions	7.6
Amounts applied	(11.6)
Change in estimates	(0.2)
Ending Balance	55.9
Operating Segments | Technologies & Equipment
Restructuring Reserve [Roll Forward]
Beginning Balance	13.3
Provisions	2.4
Amounts applied	(5.4)
Change in estimates	0.0
Ending Balance	10.3
Operating Segments | Consumables
Restructuring Reserve [Roll Forward]
Beginning Balance	46.8
Provisions	0.2
Amounts applied	(4.0)
Change in estimates	(0.2)
Ending Balance	42.8
All Other
Restructuring Reserve [Roll Forward]
Beginning Balance	0.0
Provisions	5.0
Amounts applied	(2.2)
Change in estimates	0.0
Ending Balance	$ 2.8