Quarterly report pursuant to Section 13 or 15(d)

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

v3.5.0.2
Segment Information (Consolidated Net Sales And Long Lived Assets) (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Oct. 01, 2016
Oct. 03, 2015
Oct. 01, 2016
Oct. 03, 2015
Jan. 02, 2016
Revenues from External Customers and Long-Lived Assets [Line Items]          
Net sales $ 254,219 $ 233,292 $ 753,182 $ 685,914  
China [Member]          
Revenues from External Customers and Long-Lived Assets [Line Items]          
Net sales 108,355 95,147 324,689 273,433  
Long-lived Assets 95,455   95,455   $ 92,835
United States [Member]          
Revenues from External Customers and Long-Lived Assets [Line Items]          
Net sales 34,352 $ 37,325 101,245 $ 107,112  
Long-lived Assets $ 64,415   $ 64,415   $ 57,797