Segment Information (Schedule Of Revenues From External Customers By Geographical Areas) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 01, 2016	Oct. 03, 2015	Oct. 01, 2016	Oct. 03, 2015
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales to External Customers	$ 254,219	$ 233,292	$ 753,182	$ 685,914
Greater China [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales to External Customers	124,470	112,323	373,308	325,942
Southeast Asia Pacific [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales to External Customers	54,351	45,936	154,335	137,308
North Asia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales to External Customers	11,555	9,920	33,376	29,495
Asia Pacific [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales to External Customers	190,376	168,179	561,019	492,745
Americas And Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales to External Customers	$ 63,843	$ 65,113	$ 192,163	$ 193,169