SHARE-BASED COMPENSATION (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Components and classification of share-based compensation expense
Share-based compensation expense	$ 33.7	$ 25.9	$ 97.2	$ 60.9
Research and development expenses
Components and classification of share-based compensation expense
Share-based compensation expense	1.6	1.5	3.3	3.0
Selling, general and administrative expenses
Components and classification of share-based compensation expense
Share-based compensation expense	32.1	24.4	93.9	57.9
Stock options
Components and classification of share-based compensation expense
Share-based compensation expense	3.5	3.5	6.7	7.4
RSUs
Components and classification of share-based compensation expense
Share-based compensation expense	$ 30.2	$ 22.4	$ 90.5	$ 53.5