Segment Information (Schedule Of Revenues From External Customers And Assets By Geographic Region) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 30, 2013	Mar. 31, 2012
Revenues From External Customers By Geographic Area [Line Items]
Net Sales to External Customers	$ 169,082	$ 154,120
North America/Europe [Member]
Revenues From External Customers By Geographic Area [Line Items]
Net Sales to External Customers	64,152	58,632
Southeast Asia/Pacific [Member]
Revenues From External Customers By Geographic Area [Line Items]
Net Sales to External Customers	35,309	32,252
Greater China [Member]
Revenues From External Customers By Geographic Area [Line Items]
Net Sales to External Customers	62,985	56,635
North Asia [Member]
Revenues From External Customers By Geographic Area [Line Items]
Net Sales to External Customers	6,636	6,601
Asia Pacific [Member]
Revenues From External Customers By Geographic Area [Line Items]
Net Sales to External Customers	$ 104,930	$ 95,488