RESTRUCTURING CHARGES - Restructuring Reserve (Details) $ in Millions	6 Months Ended	22 Months Ended
	Jun. 30, 2017 USD ($)	Jun. 30, 2017 USD ($)
Restructuring Reserve [Roll Forward]
Liability Balance at January 1, 2017	$ 42.8
(Income) Expense, Net	6.4
Foreign Currency Translation	0.0
Cash utilized, net	(19.6)
Non-cash utilized, net	(0.6)
Liability Balance at June 30, 2017	29.0	$ 29.0
EA Integration Restructuring Program
Restructuring Reserve [Roll Forward]
Cash utilized, net	(18.2)
EA Integration Restructuring Program | Employee severance and other personnel benefits
Restructuring Reserve [Roll Forward]
Liability Balance at January 1, 2017	31.5
(Income) Expense, Net	4.8
Foreign Currency Translation	0.0
Cash utilized, net	(16.8)
Non-cash utilized, net	0.0
Liability Balance at June 30, 2017	19.5	19.5
EA Integration Restructuring Program | Other
Restructuring Reserve [Roll Forward]
Liability Balance at January 1, 2017	3.0
(Income) Expense, Net	0.9
Foreign Currency Translation	0.0
Cash utilized, net	(1.4)
Non-cash utilized, net	(0.5)
Liability Balance at June 30, 2017	2.0	2.0
Expected restructuring and related charges	10.0	10.0
EA Integration Restructuring Program | Inventory adjustments and other restructuring
Restructuring Reserve [Roll Forward]
(Income) Expense, Net	0.9
2015 Efficiency Program
Restructuring Reserve [Roll Forward]
Cash utilized, net		(6.9)
Expected restructuring and related charges	12.0	12.0
2015 Efficiency Program | Employee severance and other personnel benefits
Restructuring Reserve [Roll Forward]
Liability Balance at January 1, 2017	4.5
(Income) Expense, Net	0.0
Foreign Currency Translation	0.0
Cash utilized, net	(0.8)
Non-cash utilized, net	(0.1)
Liability Balance at June 30, 2017	3.6	3.6
2015 Efficiency Program | Other
Restructuring Reserve [Roll Forward]
Liability Balance at January 1, 2017	0.2
(Income) Expense, Net	0.0
Foreign Currency Translation	0.0
Cash utilized, net	0.0
Non-cash utilized, net	0.0
Liability Balance at June 30, 2017	0.2	0.2
Other immaterial actions | Employee severance and other personnel benefits
Restructuring Reserve [Roll Forward]
Liability Balance at January 1, 2017	2.6
(Income) Expense, Net	0.3
Foreign Currency Translation	0.0
Cash utilized, net	(0.5)
Non-cash utilized, net	0.0
Liability Balance at June 30, 2017	2.4	2.4
Other immaterial actions | Other
Restructuring Reserve [Roll Forward]
Liability Balance at January 1, 2017	1.0
(Income) Expense, Net	0.4
Foreign Currency Translation	0.0
Cash utilized, net	(0.1)
Non-cash utilized, net	0.0
Liability Balance at June 30, 2017	$ 1.3	$ 1.3