STOCK-BASED COMPENSATION (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Stock-based compensation expense
Stock-based compensation expense	$ 11,080	$ 12,800	$ 16,950	$ 21,630
Stock-based compensation expense after-tax	7,396	8,614	11,407	14,427
Stock options
Stock-based compensation expense
Stock-based compensation expense	6,590	7,610	9,420	12,080
Restricted stock units
Stock-based compensation expense
Stock-based compensation expense	$ 4,490	$ 5,190	$ 7,530	$ 9,550
Cost of sales
Stock-based compensation expense
Percentage of allocated stock-based compensation expense (as a percent)	4.00%	4.00%	4.00%	4.00%
Research and development
Stock-based compensation expense
Percentage of allocated stock-based compensation expense (as a percent)	38.00%	38.00%	38.00%	38.00%
Selling, general and administrative expenses
Stock-based compensation expense
Percentage of allocated stock-based compensation expense (as a percent)	58.00%	58.00%	58.00%	58.00%