SHARE-BASED COMPENSATION (Tables)

6 Months Ended

Jun. 30, 2016

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of the components and classification of share-based compensation expense

The following table summarizes the components and classification of share-based compensation expense related to stock options and restricted share units (“RSUs”) for the three-month and six-month periods ended June 30, 2016 and 2015:

	Three Months Ended June 30,				Six Months Ended June 30,
	2016		2015		2016		2015
Stock options	$	3.5	$	3.5	$	6.7	$	7.4
RSUs	30.2		22.4		90.5		53.5
Share-based compensation expense	$	33.7	$	25.9	$	97.2	$	60.9
Research and development expenses	$	1.6	$	1.5	$	3.3	$	3.0
Selling, general and administrative expenses	32.1		24.4		93.9		57.9
Share-based compensation expense	$	33.7	$	25.9	$	97.2	$	60.9