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Stock-Based Compensation (Details) (USD $) In Thousands	3 Months Ended		6 Months Ended
Stock-Based Compensation (Details) (USD $) In Thousands	Jul. 02, 2011	Jul. 03, 2010	Jul. 02, 2011	Jul. 03, 2010
Stock-Based Compensation Expense Allocation [Line Items]
Stock-based Compensation Expense	$ 7,301	$ 4,630	$ 12,206	$ 8,282
Cost of Goods Sold [Member]
Stock-Based Compensation Expense Allocation [Line Items]
Stock-based Compensation Expense	1,585	1,129	2,804	2,085
Research and Development Expense [Member]
Stock-Based Compensation Expense Allocation [Line Items]
Stock-based Compensation Expense	2,275	1,722	4,062	3,122
Selling, General And Administrative [Member]
Stock-Based Compensation Expense Allocation [Line Items]
Stock-based Compensation Expense	$ 3,441	$ 1,779	$ 5,340	$ 3,075

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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