STOCKHOLDERS’ EQUITY Components of the company's stock-based compensation expense, net of amount capitalized in inventory (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	$ 14,917	$ 8,094	$ 45,812	$ 30,336
Total share-based compensation expense, before income taxes	14,917	8,094	45,812	30,336
Tax benefit	(3,760)	(1,581)	(10,005)	(4,750)
Total share-based compensation expense, net of income taxes	11,157	6,513	35,807	25,586
Cost of Sales [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	1,605	1,136	4,892	4,589
Research and Development Expense [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	4,632	3,100	13,744	10,724
Selling, General and Administrative Expenses [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	$ 8,680	$ 3,858	$ 27,176	$ 15,023