GOODWILL AND OTHER INTANGIBLE ASSETS, NET - Schedule of intangible assets subject to amortization (Details) - USD ($) $ in Millions	Jun. 30, 2016		Mar. 31, 2016	[2]	Jun. 30, 2015
Finite-Lived Intangible Assets [Line Items]
Cost	$ 1,586.3				$ 1,511.6
Accumulated Amortization	(947.7)				(872.0)
Accumulated Impairment	(5.5)				0.0
Net	633.1				639.6
License agreements
Finite-Lived Intangible Assets [Line Items]
Cost	798.3				800.7
Accumulated Amortization	(532.2)				(501.1)
Accumulated Impairment	0.0				0.0
Net	266.1				299.6
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Cost	611.7	[1]			559.1
Accumulated Amortization	(274.2)	[1]			(232.8)
Accumulated Impairment	(5.5)	[1]			0.0
Net	332.0	[1]			326.3
Trademarks
Finite-Lived Intangible Assets [Line Items]
Cost	128.3	[1]			119.1
Accumulated Amortization	(108.6)	[1]			(108.2)
Accumulated Impairment	0.0	[1]			0.0
Net	19.7	[1]			10.9
Product formulations
Finite-Lived Intangible Assets [Line Items]
Cost	48.0	[1]			32.7
Accumulated Amortization	(32.7)	[1]			(29.9)
Accumulated Impairment	0.0	[1]			0.0
Net	15.3	[1]			$ 2.8
Brazilian Acquisition | Customer relationships
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangibles	44.6		$ 108.2
Brazilian Acquisition | Trademarks
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangibles	10.3		10.0
Brazilian Acquisition | Product formulations
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangibles	$ 12.8		$ 11.8

[1] Additions to Customer relationships, Trademarks, and Product formulations of $44.6, $10.3 and $12.8, respectively, were recorded in connection with the Brazil Acquisition (see Note 4).

[2] As previously reported in the Company’s Form 10-Q for the quarter ended March 31, 2016.