v3.7.0.1
Other Income (Expense) (Details) - USD ($)
$ in Thousands
3 Months Ended
Apr. 01, 2017
Mar. 26, 2016
Other Income and Expenses [Abstract]    
Interest income $ 66 $ 16
Interest expense (1) (1)
Gain (loss) on foreign exchange 236 (29)
Total income (expense) $ 301 $ (14)