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Stock-Based Compensation (Details 3) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Jan. 01, 2011	Jan. 02, 2010
Stock-based compensation costs
Share based compensation cost before tax	$ 36,115	$ 40,324	$ 43,974
Income tax benefit	3,957	5,462	6,221
Share based compensation cost after tax	32,158	34,862	37,753
Cost of revenues
Stock-based compensation costs
Share based compensation cost before tax	1,319	1,435	1,457
Research and development
Stock-based compensation costs
Share based compensation cost before tax	14,872	17,017	13,866
Selling, general and administrative
Stock-based compensation costs
Share based compensation cost before tax	$ 19,924	$ 21,872	$ 28,651

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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