Annual report pursuant to Section 13 and 15(d)

Segment Information (Consolidated Net Sales And Long Lived Assets) (Details)

v3.6.0.2
Segment Information (Consolidated Net Sales And Long Lived Assets) (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2016
Oct. 01, 2016
Jul. 02, 2016
Apr. 02, 2016
Jan. 02, 2016
Oct. 03, 2015
Jul. 04, 2015
Apr. 04, 2015
Dec. 31, 2016
Jan. 02, 2016
Jan. 03, 2015
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Net sales $ 252,901 $ 254,219 $ 258,514 $ 240,449 $ 232,585 $ 233,292 $ 233,244 $ 219,378 $ 1,006,083 $ 918,499 $ 790,471
Long-lived Assets 174,489       169,129       174,489 169,129  
China [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Net sales                 437,386 371,737 216,842
Long-lived Assets 91,909       92,835       91,909 92,835  
United States [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Net sales                 130,427 140,057 $ 140,457
Long-lived Assets $ 63,654       $ 57,797       $ 63,654 $ 57,797