Reporting Segment And Geographic Information (Schedule Of Long-Lived Assets) (Details) (USD $) In Thousands, unless otherwise specified	Jan. 03, 2014	Dec. 28, 2012
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-Lived Assets	$ 142,975	$ 96,890
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-Lived Assets	112,034	70,838
Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-Lived Assets	20,159	17,550
Asia Pacific And Other Non-US Countries [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-Lived Assets	$ 10,782	$ 8,502