COMMITMENTS AND CONTINGENCIES - Supplemental Cash Flow Information Related to Leases (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Jan. 03, 2021 |
Dec. 29, 2019 |
|
| Cash paid for amounts included in the measurement of lease liabilities: | ||
| Operating cash flows from operating leases | $ 7,589 | $ 4,424 |
| Right-of-use assets obtained in exchange for new operating lease liabilities | $ 51,682 | $ 18,458 |
| Weighted-average remaining lease term of operating leases (in years) | 10 years 3 months | 9 years 6 months 21 days |
| Weighted-average discount rate of operating leases | 5.27% | 5.56% |