Employee Benefit Plans - Additional Information (Detail) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2016 |
Jan. 02, 2016 |
Jan. 03, 2015 |
|
| Compensation and Retirement Disclosure [Abstract] | |||
| Age of employees | 401(k) plan covering substantially all employees 18 years of age or older who have at least three months of service | ||
| Service period required | 3 months | ||
| Employee's contribution | 100.00% | ||
| Matching contribution | 3.00% | 3.00% | 3.00% |
| Vesting rate | 20.00% | ||
| Requisite hours of work | At least 1,000 hours | ||
| Recognized employee benefit | $ 1.9 | $ 0.7 | $ 1.1 |