Reporting Segment And Geographic Information (Schedule Of Revenue From Customers) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Jan. 03, 2014	Sep. 27, 2013	Jun. 28, 2013	Mar. 29, 2013	Dec. 28, 2012	Sep. 28, 2012	Jun. 29, 2012	Mar. 30, 2012	Jan. 03, 2014		Dec. 28, 2012		Dec. 30, 2011
Revenues from External Customers and Long-Lived Assets [Line Items]
Maximum Percentage Of Various Operations Segment By Entities Total Operations									10.00%
Total consolidated revenue	$ 599,218	$ 556,502	$ 576,293	$ 556,111	$ 515,523	$ 504,763	$ 517,560	$ 502,267	$ 2,288,124	[1]	$ 2,040,113	[1]	$ 1,644,065	[1]
Number of Reportable Segments									4
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total consolidated revenue									1,131,230	[1]	962,865	[1]	733,171	[1]
Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total consolidated revenue									535,559	[1]	456,472	[1]	402,548	[1]
Asia Pacific [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total consolidated revenue									317,237	[1]	320,131	[1]	251,234	[1]
Other Non-US Countries [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total consolidated revenue									304,098	[1]	300,645	[1]	257,112	[1]
Advanced Devices [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total consolidated revenue									127,055		120,580		105,307
Ten Percent Customer member [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration Risk, Percentage									10.00%
Total consolidated revenue									$ 0		$ 0		$ 0

[1] Revenue is attributed to countries based on the location of the customer.