Annual report pursuant to Section 13 and 15(d)

Segment Reporting (Details 2)

v3.8.0.1
Segment Reporting (Details 2) - 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
Net sales                      
Net sales $ 84,150 $ 88,001 $ 89,335 $ 81,353 $ 49,865 $ 45,232 $ 50,809 $ 51,028 $ 342,839 $ 196,934 $ 200,727
Tangible long-lived assets                      
Tangible long-lived assets 91,931       80,515       91,931 80,515 74,121
Americas [Member]                      
Net sales                      
Net sales                 198,922 94,816 97,741
Tangible long-lived assets                      
Tangible long-lived assets 78,429       71,802       78,429 71,802 64,781
Europe/Middle East/Africa [Member]                      
Net sales                      
Net sales                 76,988 58,720 61,307
Tangible long-lived assets                      
Tangible long-lived assets 7,803       7,116       7,803 7,116 7,923
Asia/Pacific [Member]                      
Net sales                      
Net sales                 66,929 43,398 41,679
Tangible long-lived assets                      
Tangible long-lived assets $ 5,699       $ 1,597       $ 5,699 $ 1,597 $ 1,417