Long Term Debt - Interest Expense, Net (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2016 |
Jan. 02, 2016 |
Jan. 03, 2015 |
|
| Debt Disclosure [Abstract] | |||
| Long-term debt | $ 17,351 | $ 10,562 | $ 4,841 |
| Debt fees | 296 | 269 | 240 |
| Amortization of deferred financing costs and debt discount | 2,721 | 1,014 | 945 |
| Interest income | (105) | (70) | (37) |
| Interest expense | 20,263 | 11,775 | 5,989 |
| Capitalized interest | (138) | (70) | (29) |
| Interest expense, net | $ 20,125 | $ 11,705 | $ 5,960 |