Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jul. 01, 2016
Jun. 26, 2015
Jul. 01, 2016
Jun. 26, 2015
Statement of Comprehensive Income [Abstract]        
Net income $ 6,050 $ 6,020 $ 12,640 $ 10,985
Changes in derivative instrument:        
Net change in fair value of interest rate swap (234) 69 (606) 69
Net gain (loss) reclassified to interest expense 1 (29) 5 (29)
Tax benefit (expense) 83 (13) 214 (13)
Net change in derivative instrument (150) 27 (387) 27
Foreign currency translation adjustments (668) 405 (152) (849)
Other comprehensive (loss) income, net of tax (818) 432 (539) (822)
Total comprehensive income $ 5,232 $ 6,452 $ 12,101 $ 10,163