SHARE-BASED COMPENSATION (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Components and classification of share-based compensation expense
Stock-based compensation expense	$ 16,000,000	$ 18,547,000	$ 32,476,000	$ 52,855,000
Rreduction in stock-based compensation expense due to change in classification from equity awards to liability awards	5,800,000
Stock-based compensation expense due to change in classification from equity awards to liability awards	21,300,000
Weighted-average service period over which compensation cost is expected to be recognized			2 years 6 months 4 days
Research and development expenses
Components and classification of share-based compensation expense
Stock-based compensation expense	0	167,000	0	607,000
Selling, general and administrative expenses
Components and classification of share-based compensation expense
Stock-based compensation expense	16,000,000	18,380,000	32,476,000	52,248,000
Stock options
Components and classification of share-based compensation expense
Stock-based compensation expense	4,579,000	4,901,000	12,731,000	16,977,000
Granted (in shares)			912,000	435,000
Weighted average exercise price (in dollars per share)			$ 84.51	$ 53.41
Weighted-average grant date fair value of stock options (in dollars per share)			$ 26.10	$ 19.10
RSUs
Components and classification of share-based compensation expense
Stock-based compensation expense	11,421,000	13,646,000	19,745,000	35,878,000
Remaining unrecognized compensation expense related to non-vested awards	$ 106,400,000		$ 106,400,000
Time-Based RSUs
Components and classification of share-based compensation expense
Granted (in shares)			95,000	220,000
Weighted average exercise price (in dollars per share)			$ 73.90	$ 50.44
Performance-Based Restricted Stock Units
Components and classification of share-based compensation expense
Granted (in shares)			338,000	201,000
Weighted average exercise price (in dollars per share)			$ 125.04	$ 70.52