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Stock-Based Compensation (Details) (USD $) In Thousands	3 Months Ended		9 Months Ended
Stock-Based Compensation (Details) (USD $) In Thousands	Oct. 01, 2011	Oct. 02, 2010	Oct. 01, 2011	Oct. 02, 2010
Stock-Based Compensation Expense Allocation [Line Items]
Stock-based Compensation Expense	$ 6,136	$ 4,657	$ 18,342	$ 12,939
Cost of Goods Sold [Member]
Stock-Based Compensation Expense Allocation [Line Items]
Stock-based Compensation Expense	1,906	1,321	4,710	3,406
Research and Development Expense [Member]
Stock-Based Compensation Expense Allocation [Line Items]
Stock-based Compensation Expense	2,179	1,627	6,240	4,749
Selling, General And Administrative [Member]
Stock-Based Compensation Expense Allocation [Line Items]
Stock-based Compensation Expense	$ 2,051	$ 1,709	$ 7,392	$ 4,784

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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