STOCK-BASED COMPENSATION - Summary of Stock-Based Compensation Costs (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2012	Sep. 30, 2011	Sep. 28, 2012	Sep. 30, 2011
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total stock-based compensation in operating expense	$ 3,918	$ 4,162	$ 11,821	$ 13,747
Total stock-based compensation	4,620	5,005	14,122	16,099
Cost of revenue [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total stock-based compensation	702	843	2,301	2,352
Research and development expense [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total stock-based compensation	1,512	1,658	4,947	5,265
Selling, general and administrative expense [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total stock-based compensation	$ 2,406	$ 2,504	$ 6,874	$ 8,482