Annual report pursuant to Section 13 and 15(d)

Segment Information (Schedule Of Revenues From External Customers By Geographical Areas) (Details)

v3.8.0.1
Segment Information (Schedule Of Revenues From External Customers By Geographical Areas) (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 30, 2017
Sep. 30, 2017
Jul. 01, 2017
Apr. 01, 2017
Dec. 31, 2016
Oct. 01, 2016
Jul. 02, 2016
Apr. 02, 2016
Dec. 30, 2017
Dec. 31, 2016
Jan. 02, 2016
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Net Sales to External Customers $ 273,114 $ 261,765 $ 257,063 $ 255,323 $ 252,901 $ 254,219 $ 258,514 $ 240,449 $ 1,047,265 $ 1,006,083 $ 918,499
Greater China [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Net Sales to External Customers                 546,777 502,299 441,284
Southeast Asia Pacific [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Net Sales to External Customers                 205,289 206,124 183,828
North Asia [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Net Sales to External Customers                 58,376 46,023 39,751
Asia Pacific [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Net Sales to External Customers                 810,442 754,446 664,863
Americas And Europe [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Net Sales to External Customers                 $ 236,823 $ 251,637 $ 253,636