Segment Reporting (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013	Jun. 30, 2012
Entity Wide Disclosure on Geographic Areas Revenue from External Customers
Total revenue	$ 362,481	$ 326,476	$ 716,747	$ 642,306
Americas:
United States	159,229	142,925	308,400	273,380
Total Americas	164,795	148,727	318,581	287,306
Other Americas [Member]
Entity Wide Disclosure on Geographic Areas Revenue from External Customers
Geographic Areas, revenue from External Customers attributed to Individual Foreign Countries	5,566	5,802	10,181	13,926
Europe, Middle East and Africa [Member]
Entity Wide Disclosure on Geographic Areas Revenue from External Customers
Geographic Areas, revenue from External Customers attributed to Individual Foreign Countries	77,757	64,996	156,677	124,705
Japan [Member]
Entity Wide Disclosure on Geographic Areas Revenue from External Customers
Geographic Areas, revenue from External Customers attributed to Individual Foreign Countries	45,467	53,880	98,941	110,099
Asia [Member]
Entity Wide Disclosure on Geographic Areas Revenue from External Customers
Geographic Areas, revenue from External Customers attributed to Individual Foreign Countries	$ 74,462	$ 58,873	$ 142,548	$ 120,196