v3.8.0.1
Goodwill, Intangible Assets, and Software - Change in Goodwill (Details)
$ in Thousands
12 Months Ended
Dec. 30, 2017
USD ($)
Goodwill  
December 31, 2016 $ 57,910
Effect of currency translation 2,371
December 30, 2017 $ 60,281