Segment Information (Schedule Of Revenues From External Customers And Assets By Geographical Areas) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 29, 2012	Oct. 01, 2011	Sep. 29, 2012	Oct. 01, 2011
Revenues From External Customers By Geographic Area [Line Items]
Net Sales to External Customers	$ 165,175	$ 143,501	$ 480,196	$ 435,992
North America/Europe [Member]
Revenues From External Customers By Geographic Area [Line Items]
Net Sales to External Customers	62,490	59,028	183,586	179,316
Southeast Asia/Pacific [Member]
Revenues From External Customers By Geographic Area [Line Items]
Net Sales to External Customers	35,709	30,117	102,232	82,036
Greater China [Member]
Revenues From External Customers By Geographic Area [Line Items]
Net Sales to External Customers	59,722	47,012	173,127	152,801
North Asia [Member]
Revenues From External Customers By Geographic Area [Line Items]
Net Sales to External Customers	7,254	7,344	21,251	21,839
Asia Pacific [Member]
Revenues From External Customers By Geographic Area [Line Items]
Net Sales to External Customers	$ 102,685	$ 84,473	$ 296,610	$ 256,676